#102A4B#102A4B

#102A4B is a dark, moderate cyan. Relative luminance 0.023; OKLCH L 28.4% C 0.069 H 255.6°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#102A4B
RGB	rgb(16, 42, 75)
HSL	hsl(214, 65%, 18%)
HSV	hsv(214, 79%, 29%)
CMYK	cmyk(78.7%, 44%, 0%, 70.6%)
CIE-LAB	lab(16.86, 3.20, -23.35)
CIE-LCH	lch(16.86, 23.57, 277.81°)
OKLab	oklab(28.41% -0.0171 -0.0666)
OKLCH	oklch(28.41% 0.069 255.6)
XYZ	xyz(2.3112, 2.2738, 6.9723)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A4B #4B3110

analogous

#10474B #102A4B #13104B

triadic

#102A4B #4B102A #2A4B10

tetradic

#102A4B #4B1047 #4B3110 #104B13

square

#102A4B #4B1047 #4B3110 #104B13

split-complementary

#102A4B #4B1310 #474B10

monochromatic

#050E19 #050E19 #102A4B #1B467D #2662B0

Accessibility & contrast

On white

14.43

#102A4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#102A4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A4B

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A4B	#FFFFFF	#000000	##FFFFFF
##102A4B	1.00	14.43	1.45	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2D4C

Deuteranopia (green-blind)

#11274A

Tritanopia (blue-blind)

#003236

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #102a4b;
/* rgb */ color: rgb(16, 42, 75);
/* oklch */ color: oklch(28.4% 0.069 255.6);

Tailwind

colors: {
  custom: {
    50: '#57637d',
    500: '#102a4b',
    950: '#000000',
  },
}

SCSS

$custom: #102a4b;
$custom-light: #57637d;
$custom-dark: #000000;

JSON

{
  "hex": "#102a4b",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 75
  },
  "hsl": {
    "h": 213.559,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28405,
    "c": 0.06874,
    "h": 255.6
  },
  "luminance": 0.02274
}

Semantic roles & 50–950 ramp

primary

#102A4B

secondary

#856032

accent

#9E40E8

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#030509

muted

#78797B

Preview Lab

Preview with #102A4B

Body copy rendered with the generated semantic roles for this colour.

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