#101C38#101C38

#101C38 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.2% C 0.057 H 264.9°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#101C38
RGB	rgb(16, 28, 56)
HSL	hsl(222, 56%, 14%)
HSV	hsv(222, 71%, 22%)
CMYK	cmyk(71.4%, 50%, 0%, 78%)
CIE-LAB	lab(10.75, 5.57, -19.85)
CIE-LCH	lch(10.75, 20.61, 285.67°)
OKLab	oklab(23.25% -0.0051 -0.0565)
OKLCH	oklch(23.25% 0.057 264.9)
XYZ	xyz(1.3425, 1.2261, 3.9065)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C38 #382C10

analogous

#103038 #101C38 #181038

triadic

#101C38 #38101C #1C3810

tetradic

#101C38 #381030 #382C10 #103818

square

#101C38 #381030 #382C10 #103818

split-complementary

#101C38 #381810 #303810

monochromatic

#070C18 #070C18 #101C38 #1E3468 #2B4C97

Accessibility & contrast

On white

16.86

#101C38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101C38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C38

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C38	#FFFFFF	#000000	##FFFFFF
##101C38	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1F39

Deuteranopia (green-blind)

#091B37

Tritanopia (blue-blind)

#002227

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101c38;
/* rgb */ color: rgb(16, 28, 56);
/* oklch */ color: oklch(23.2% 0.057 264.9);

Tailwind

colors: {
  custom: {
    50: '#53576f',
    500: '#101c38',
    950: '#000000',
  },
}

SCSS

$custom: #101c38;
$custom-light: #53576f;
$custom-dark: #000000;

JSON

{
  "hex": "#101c38",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 56
  },
  "hsl": {
    "h": 222,
    "s": 55.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.23248,
    "c": 0.05677,
    "h": 264.9
  },
  "luminance": 0.01226
}

Semantic roles & 50–950 ramp

primary

#101C38

secondary

#725F32

accent

#B249DF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #101C38

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

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