#102A57#102A57

#102A57 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.3% C 0.088 H 260.5°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#102A57
RGB	rgb(16, 42, 87)
HSL	hsl(218, 69%, 20%)
HSV	hsv(218, 82%, 34%)
CMYK	cmyk(81.6%, 51.7%, 0%, 65.9%)
CIE-LAB	lab(17.71, 8.41, -30.10)
CIE-LCH	lch(17.71, 31.25, 285.61°)
OKLab	oklab(29.33% -0.0144 -0.0864)
OKLCH	oklch(29.33% 0.088 260.5)
XYZ	xyz(2.7613, 2.4539, 9.3431)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A57 #573D10

analogous

#104D57 #102A57 #191057

triadic

#102A57 #57102A #2A5710

tetradic

#102A57 #57104D #573D10 #105719

square

#102A57 #57104D #573D10 #105719

split-complementary

#102A57 #571910 #4D5710

monochromatic

#050C1A #061123 #102A57 #1A438B #235CBE

Accessibility & contrast

On white

14.09

#102A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#102A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A57

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A57	#FFFFFF	#000000	##FFFFFF
##102A57	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112F59

Deuteranopia (green-blind)

#002856

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #102a57;
/* rgb */ color: rgb(16, 42, 87);
/* oklch */ color: oklch(29.3% 0.088 260.5);

Tailwind

colors: {
  custom: {
    50: '#5a6387',
    500: '#102a57',
    950: '#000000',
  },
}

SCSS

$custom: #102a57;
$custom-light: #5a6387;
$custom-dark: #000000;

JSON

{
  "hex": "#102a57",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 87
  },
  "hsl": {
    "h": 218.028,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29331,
    "c": 0.0876,
    "h": 260.5
  },
  "luminance": 0.02454
}

Semantic roles & 50–950 ramp

primary

#102A57

secondary

#906E32

accent

#AB3CEC

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #102A57

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

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