#102257#102257

#102257 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.4% C 0.099 H 265.8°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#102257
RGB	rgb(16, 34, 87)
HSL	hsl(225, 69%, 20%)
HSV	hsv(225, 82%, 34%)
CMYK	cmyk(81.6%, 60.9%, 0%, 65.9%)
CIE-LAB	lab(15.18, 14.41, -34.19)
CIE-LCH	lch(15.18, 37.10, 292.85°)
OKLab	oklab(27.41% -0.0072 -0.0986)
OKLCH	oklch(27.41% 0.099 265.8)
XYZ	xyz(2.5054, 1.9421, 9.2578)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102257 #574510

analogous

#104557 #102257 #221057

triadic

#102257 #571022 #225710

tetradic

#102257 #571045 #574510 #105722

square

#102257 #571045 #574510 #105722

split-complementary

#102257 #572210 #455710

monochromatic

#050A1A #060E23 #102257 #1A368B #234ABE

Accessibility & contrast

On white

15.13

#102257 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#102257 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102257

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102257	#FFFFFF	#000000	##FFFFFF
##102257	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002959

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#002F38

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #102257;
/* rgb */ color: rgb(16, 34, 87);
/* oklch */ color: oklch(27.4% 0.099 265.8);

Tailwind

colors: {
  custom: {
    50: '#5b5c87',
    500: '#102257',
    950: '#000000',
  },
}

SCSS

$custom: #102257;
$custom-light: #5b5c87;
$custom-dark: #000000;

JSON

{
  "hex": "#102257",
  "rgb": {
    "r": 16,
    "g": 34,
    "b": 87
  },
  "hsl": {
    "h": 224.789,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.27409,
    "c": 0.09887,
    "h": 265.8
  },
  "luminance": 0.01942
}

Semantic roles & 50–950 ramp

primary

#102257

secondary

#907932

accent

#BF3CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #102257

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

Preview Lab → · Contrast checker → · Palette generator →