#102F8D#102F8D

#102F8D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.159 H 264.8°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#102F8D
RGB	rgb(16, 47, 141)
HSL	hsl(225, 80%, 31%)
HSV	hsv(225, 89%, 55%)
CMYK	cmyk(88.7%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(23.89, 27.56, -54.77)
CIE-LCH	lch(23.89, 61.31, 296.71°)
OKLab	oklab(35.44% -0.0144 -0.1587)
OKLCH	oklch(35.44% 0.159 264.8)
XYZ	xyz(6.0362, 4.0655, 25.6607)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F8D #8D6E10

analogous

#106D8D #102F8D #2F108D

triadic

#102F8D #8D102F #2F8D10

tetradic

#102F8D #8D106D #8D6E10 #108D2F

square

#102F8D #8D106D #8D6E10 #108D2F

split-complementary

#102F8D #8D2F10 #6D8D10

monochromatic

#040A1F #0A1D56 #102F8D #1641C4 #305DE7

Accessibility & contrast

On white

11.58

#102F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#102F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F8D

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F8D	#FFFFFF	#000000	##FFFFFF
##102F8D	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #102f8d;
/* rgb */ color: rgb(16, 47, 141);
/* oklch */ color: oklch(35.4% 0.159 264.8);

Tailwind

colors: {
  custom: {
    50: '#6967af',
    500: '#102f8d',
    950: '#000000',
  },
}

SCSS

$custom: #102f8d;
$custom-light: #6967af;
$custom-dark: #000000;

JSON

{
  "hex": "#102f8d",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 225.12,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3544,
    "c": 0.15939,
    "h": 264.8
  },
  "luminance": 0.04066
}

Semantic roles & 50–950 ramp

primary

#102F8D

secondary

#C29F37

accent

#C532F6

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #102F8D

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

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