#102F5D#102F5D

#102F5D is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.1% C 0.090 H 258.5°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#102F5D
RGB	rgb(16, 47, 93)
HSL	hsl(216, 71%, 21%)
HSV	hsv(216, 83%, 36%)
CMYK	cmyk(82.8%, 49.5%, 0%, 63.5%)
CIE-LAB	lab(19.77, 7.34, -30.76)
CIE-LCH	lch(19.77, 31.62, 283.42°)
OKLab	oklab(31.06% -0.018 -0.0883)
OKLCH	oklch(31.06% 0.09 258.5)
XYZ	xyz(3.2053, 2.9331, 10.7510)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F5D #5D3E10

analogous

#10565D #102F5D #18105D

triadic

#102F5D #5D102F #2F5D10

tetradic

#102F5D #5D1056 #5D3E10 #105D18

square

#102F5D #5D1056 #5D3E10 #105D18

split-complementary

#102F5D #5D1810 #565D10

monochromatic

#040D1A #071529 #102F5D #194991 #2264C5

Accessibility & contrast

On white

13.23

#102F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#102F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F5D

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F5D	#FFFFFF	#000000	##FFFFFF
##102F5D	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16345F

Deuteranopia (green-blind)

#052D5C

Tritanopia (blue-blind)

#003A41

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #102f5d;
/* rgb */ color: rgb(16, 47, 93);
/* oklch */ color: oklch(31.1% 0.090 258.5);

Tailwind

colors: {
  custom: {
    50: '#5c678b',
    500: '#102f5d',
    950: '#000000',
  },
}

SCSS

$custom: #102f5d;
$custom-light: #5c678b;
$custom-dark: #000000;

JSON

{
  "hex": "#102f5d",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 93
  },
  "hsl": {
    "h": 215.844,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31062,
    "c": 0.09007,
    "h": 258.5
  },
  "luminance": 0.02934
}

Semantic roles & 50–950 ramp

primary

#102F5D

secondary

#966E33

accent

#A53AED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060C

muted

#797A7D

Preview Lab

Preview with #102F5D

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

Preview Lab → · Contrast checker → · Palette generator →