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#42657B

#42657b ≈ Sea Blue

  • azure
  • Lightness: low
  • Saturation: muted
  • Cool
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#42657b is a color from the azure family, with low lightness and muted saturation. In the RGB model it is made of 25.88% red, 39.61% green and 48.24% blue; printed in CMYK it uses 46.34% cyan, 17.89% magenta, 0% yellow and 51.76% black. Its hue angle is 203.16°, with 30.16% saturation and 37.06% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 6.21:1 (WCAG AA). The closest named color is Sea Blue (#006994), ΔE 6.71.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336666
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.119

Complementary

  1. #42657b
  2. #7b5842

Split complementary

  1. #42657b
  2. #7b4248
  3. #7b7542

Analogous

  1. #427b75
  2. #42657b
  3. #42487b

Triadic

  1. #42657b
  2. #7b4265
  3. #657b42

Tetradic

  1. #42657b
  2. #58427b
  3. #7b5842
  4. #657b42

Square

  1. #42657b
  2. #75427b
  3. #7b5842
  4. #487b42

Monochromatic

  1. #0d1317
  2. #273c49
  3. #42657b
  4. #608daa
  5. #92b1c4

Shades

#42657b mixed progressively with black.

  1. #42657b
  2. #3b5b6f
  3. #355162
  4. #2e4756
  5. #283d4a
  6. #21333e
  7. #1a2831
  8. #141e25
  9. #0d1419
  10. #070a0c
  11. #000000

Tints

#42657b mixed progressively with white.

  1. #42657b
  2. #557488
  3. #688495
  4. #7b93a3
  5. #8ea3b0
  6. #a1b2bd
  7. #b3c1ca
  8. #c6d1d7
  9. #d9e0e5
  10. #ecf0f2
  11. #ffffff

Tones

#42657b mixed progressively with gray.

  1. #42657b
  2. #48687c
  3. #4e6a7c
  4. #556d7d
  5. #5b707d
  6. #61737e
  7. #67757e
  8. #6d787f
  9. #747b7f
  10. #7a7d80
  11. #808080

Readable text 6.21:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.38:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #616161 ≈ 0.003% of males
Achromatomaly #56626c ≈ 0.001% of males
Protanopia #5b647c ≈ 1.01% of males
Deuteranopia #535e7b ≈ 1.27% of males
Tritanopia #2a6b6c ≈ 0.0001% of males
Protanomaly #52657c ≈ 1.08% of males
Deuteranomaly #4d617b ≈ 4.63% of males
Tritanomaly #356872 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-42657b {
  color: #42657b;
}
Background
.bg-42657b {
  background-color: #42657b;
  color: #ffffff;
}
Border
.border-42657b {
  border: 2px solid #42657b;
}
CSS variables
:root {
  --color-primary: #42657b;
  --color-primary-rgb: 66 101 123;
  --color-primary-hsl: 203 30% 37%;
}
Gradient
.gradient-42657b {
  background: linear-gradient(135deg, #42657b, #42487b);
}
Colored shadow
.shadow-42657b {
  box-shadow: 0 8px 24px rgb(66 101 123 / 0.35);
}

#006994 Sea Blue ΔE 6.71 #436b95 Queen Blue ΔE 6.83 #367588 Teal Blue ΔE 7.93 #26619c Lapis Lazuli ΔE 8.12 #0067a5 Medium Persian Blue ΔE 8.52 #1560bd Denim ΔE 9.34 #0f52ba Sapphire ΔE 10.14 #bd9a84 Inverted #616161 Grayscale 

Sea Blue
#42657b  rgb(66, 101, 123)  hsl(203, 30%, 37%)  Sea Blue
#7b5842  rgb(123, 88, 66)  hsl(23, 30%, 37%)  Coffee
#7b4265  rgb(123, 66, 101)  hsl(323, 30%, 37%)  Twilight Lavender
#657b42  rgb(101, 123, 66)  hsl(83, 30%, 37%)  Fern Green