#101238#101238

#101238 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.8% C 0.073 H 275.8°. Best body text is #FFFFFF at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#101238
RGB	rgb(16, 18, 56)
HSL	hsl(237, 56%, 14%)
HSV	hsv(237, 71%, 22%)
CMYK	cmyk(71.4%, 67.9%, 0%, 78%)
CIE-LAB	lab(7.48, 13.36, -25.10)
CIE-LCH	lch(7.48, 28.44, 298.02°)
OKLab	oklab(20.77% 0.0073 -0.0722)
OKLCH	oklch(20.77% 0.073 275.8)
XYZ	xyz(1.1436, 0.8282, 3.8402)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101238 #383610

analogous

#102638 #101238 #221038

triadic

#101238 #381012 #123810

tetradic

#101238 #381026 #383610 #103822

square

#101238 #381026 #383610 #103822

split-complementary

#101238 #382210 #263810

monochromatic

#070818 #070818 #101238 #1E2168 #2B3197

Accessibility & contrast

On white

18.02

#101238 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#101238 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101238

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101238	#FFFFFF	#000000	##FFFFFF
##101238	1.00	18.02	1.17	18.02
#FFFFFF	18.02	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001839

Deuteranopia (green-blind)

#001537

Tritanopia (blue-blind)

#001B22

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #101238;
/* rgb */ color: rgb(16, 18, 56);
/* oklch */ color: oklch(20.8% 0.073 275.8);

Tailwind

colors: {
  custom: {
    50: '#534f6f',
    500: '#101238',
    950: '#000000',
  },
}

SCSS

$custom: #101238;
$custom-light: #534f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#101238",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 56
  },
  "hsl": {
    "h": 237,
    "s": 55.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20768,
    "c": 0.07258,
    "h": 275.8
  },
  "luminance": 0.00828
}

Semantic roles & 50–950 ramp

primary

#101238

secondary

#726F32

accent

#D749DF

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #101238

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

Preview Lab → · Contrast checker → · Palette generator →