#101138#101138

#101138 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.5% C 0.074 H 276.6°. Best body text is #FFFFFF at 18.11:1 contrast (WCAG AA passes).

Color values

HEX	#101138
RGB	rgb(16, 17, 56)
HSL	hsl(239, 56%, 14%)
HSV	hsv(239, 71%, 22%)
CMYK	cmyk(71.4%, 69.6%, 0%, 78%)
CIE-LAB	lab(7.19, 14.06, -25.57)
CIE-LCH	lch(7.19, 29.18, 298.81°)
OKLab	oklab(20.54% 0.0085 -0.0737)
OKLCH	oklch(20.54% 0.074 276.6)
XYZ	xyz(1.1277, 0.7965, 3.8349)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.85

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101138 #383710

analogous

#102538 #101138 #231038

triadic

#101138 #381011 #113810

tetradic

#101138 #381025 #383710 #103823

square

#101138 #381025 #383710 #103823

split-complementary

#101138 #382310 #253810

monochromatic

#070718 #070718 #101138 #1E1F68 #2B2E97

Accessibility & contrast

On white

18.11

#101138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#101138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101138

18.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101138	#FFFFFF	#000000	##FFFFFF
##101138	1.00	18.11	1.16	18.11
#FFFFFF	18.11	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001839

Deuteranopia (green-blind)

#001437

Tritanopia (blue-blind)

#001B22

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #101138;
/* rgb */ color: rgb(16, 17, 56);
/* oklch */ color: oklch(20.5% 0.074 276.6);

Tailwind

colors: {
  custom: {
    50: '#544e6f',
    500: '#101138',
    950: '#000000',
  },
}

SCSS

$custom: #101138;
$custom-light: #544e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#101138",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 56
  },
  "hsl": {
    "h": 238.5,
    "s": 55.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20543,
    "c": 0.07416,
    "h": 276.6
  },
  "luminance": 0.00797
}

Semantic roles & 50–950 ramp

primary

#101138

secondary

#727032

accent

#DB49DF

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #101138

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

Preview Lab → · Contrast checker → · Palette generator →