#102557#102557

#102557 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.095 H 264.1°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#102557
RGB	rgb(16, 37, 87)
HSL	hsl(222, 69%, 20%)
HSV	hsv(222, 82%, 34%)
CMYK	cmyk(81.6%, 57.5%, 0%, 65.9%)
CIE-LAB	lab(16.11, 12.15, -32.68)
CIE-LCH	lch(16.11, 34.86, 290.39°)
OKLab	oklab(28.11% -0.0098 -0.0941)
OKLCH	oklch(28.11% 0.095 264.1)
XYZ	xyz(2.5949, 2.1211, 9.2876)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102557 #574210

analogous

#104857 #102557 #1F1057

triadic

#102557 #571025 #255710

tetradic

#102557 #571048 #574210 #10571F

square

#102557 #571048 #574210 #10571F

split-complementary

#102557 #571F10 #485710

monochromatic

#050B1A #060F23 #102557 #1A3B8B #2351BE

Accessibility & contrast

On white

14.75

#102557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#102557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102557

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102557	#FFFFFF	#000000	##FFFFFF
##102557	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022B59

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#00313A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #102557;
/* rgb */ color: rgb(16, 37, 87);
/* oklch */ color: oklch(28.1% 0.095 264.1);

Tailwind

colors: {
  custom: {
    50: '#5a5f87',
    500: '#102557',
    950: '#000000',
  },
}

SCSS

$custom: #102557;
$custom-light: #5a5f87;
$custom-dark: #000000;

JSON

{
  "hex": "#102557",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 87
  },
  "hsl": {
    "h": 222.254,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28112,
    "c": 0.09462,
    "h": 264.1
  },
  "luminance": 0.02121
}

Semantic roles & 50–950 ramp

primary

#102557

secondary

#907532

accent

#B83CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #102557

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

Preview Lab → · Contrast checker → · Palette generator →