#102B63#102B63

#102B63 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.6% C 0.105 H 262.6°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#102B63
RGB	rgb(16, 43, 99)
HSL	hsl(220, 72%, 23%)
HSV	hsv(220, 84%, 39%)
CMYK	cmyk(83.8%, 56.6%, 0%, 61.2%)
CIE-LAB	lab(18.96, 12.88, -36.02)
CIE-LCH	lch(18.96, 38.25, 289.68°)
OKLab	oklab(30.59% -0.0135 -0.1038)
OKLCH	oklch(30.59% 0.105 262.6)
XYZ	xyz(3.3289, 2.7384, 12.1551)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B63 #634810

analogous

#105463 #102B63 #1F1063

triadic

#102B63 #63102B #2B6310

tetradic

#102B63 #631054 #634810 #10631F

square

#102B63 #631054 #634810 #10631F

split-complementary

#102B63 #631F10 #546310

monochromatic

#040B1A #07142E #102B63 #194298 #2159CC

Accessibility & contrast

On white

13.57

#102B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#102B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B63

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B63	#FFFFFF	#000000	##FFFFFF
##102B63	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023265

Deuteranopia (green-blind)

#002A62

Tritanopia (blue-blind)

#003942

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102b63;
/* rgb */ color: rgb(16, 43, 99);
/* oklch */ color: oklch(30.6% 0.105 262.6);

Tailwind

colors: {
  custom: {
    50: '#5d6390',
    500: '#102b63',
    950: '#000000',
  },
}

SCSS

$custom: #102b63;
$custom-light: #5d6390;
$custom-dark: #000000;

JSON

{
  "hex": "#102b63",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 99
  },
  "hsl": {
    "h": 220.482,
    "s": 72.174,
    "l": 22.549
  },
  "oklch": {
    "l": 0.30588,
    "c": 0.1047,
    "h": 262.6
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#102B63

secondary

#9C7A33

accent

#B439EF

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #102B63

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

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