#102A5E#102A5E

#102A5E is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.9% C 0.098 H 262.2°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#102A5E
RGB	rgb(16, 42, 94)
HSL	hsl(220, 71%, 22%)
HSV	hsv(220, 83%, 37%)
CMYK	cmyk(83%, 55.3%, 0%, 63.1%)
CIE-LAB	lab(18.25, 11.46, -33.88)
CIE-LCH	lch(18.25, 35.76, 288.68°)
OKLab	oklab(29.92% -0.0133 -0.0975)
OKLCH	oklch(29.92% 0.098 262.2)
XYZ	xyz(3.0613, 2.5739, 10.9230)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A5E #5E4410

analogous

#10515E #102A5E #1D105E

triadic

#102A5E #5E102A #2A5E10

tetradic

#102A5E #5E1051 #5E4410 #105E1D

square

#102A5E #5E1051 #5E4410 #105E1D

split-complementary

#102A5E #5E1D10 #515E10

monochromatic

#040C1A #07132A #102A5E #194192 #2259C7

Accessibility & contrast

On white

13.86

#102A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#102A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A5E

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A5E	#FFFFFF	#000000	##FFFFFF
##102A5E	1.00	13.86	1.51	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073060

Deuteranopia (green-blind)

#00295D

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102a5e;
/* rgb */ color: rgb(16, 42, 94);
/* oklch */ color: oklch(29.9% 0.098 262.2);

Tailwind

colors: {
  custom: {
    50: '#5c638c',
    500: '#102a5e',
    950: '#000000',
  },
}

SCSS

$custom: #102a5e;
$custom-light: #5c638c;
$custom-dark: #000000;

JSON

{
  "hex": "#102a5e",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 94
  },
  "hsl": {
    "h": 220,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.29917,
    "c": 0.09845,
    "h": 262.2
  },
  "luminance": 0.02574
}

Semantic roles & 50–950 ramp

primary

#102A5E

secondary

#977633

accent

#B23AEE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #102A5E

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

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