#101A39#101A39

#101A39 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.8% C 0.062 H 267.9°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#101A39
RGB	rgb(16, 26, 57)
HSL	hsl(225, 56%, 14%)
HSV	hsv(225, 72%, 22%)
CMYK	cmyk(71.9%, 54.4%, 0%, 77.6%)
CIE-LAB	lab(10.14, 7.56, -21.54)
CIE-LCH	lch(10.14, 22.82, 289.33°)
OKLab	oklab(22.81% -0.0023 -0.0615)
OKLCH	oklch(22.81% 0.062 267.9)
XYZ	xyz(1.3213, 1.1442, 4.0213)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A39 #392F10

analogous

#102F39 #101A39 #1B1039

triadic

#101A39 #39101A #1A3910

tetradic

#101A39 #39102F #392F10 #10391B

square

#101A39 #39102F #392F10 #10391B

split-complementary

#101A39 #391B10 #2F3910

monochromatic

#070B18 #070B18 #101A39 #1D3069 #2B4699

Accessibility & contrast

On white

17.09

#101A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A39

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A39	#FFFFFF	#000000	##FFFFFF
##101A39	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1E3A

Deuteranopia (green-blind)

#051A38

Tritanopia (blue-blind)

#002126

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101a39;
/* rgb */ color: rgb(16, 26, 57);
/* oklch */ color: oklch(22.8% 0.062 267.9);

Tailwind

colors: {
  custom: {
    50: '#53566f',
    500: '#101a39',
    950: '#000000',
  },
}

SCSS

$custom: #101a39;
$custom-light: #53566f;
$custom-dark: #000000;

JSON

{
  "hex": "#101a39",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 57
  },
  "hsl": {
    "h": 225.366,
    "s": 56.164,
    "l": 14.314
  },
  "oklch": {
    "l": 0.22805,
    "c": 0.06158,
    "h": 267.9
  },
  "luminance": 0.01144
}

Semantic roles & 50–950 ramp

primary

#101A39

secondary

#736332

accent

#BB48DF

background

#F4F4F6

surface

#E7E8EC

border

#C3C4C7

text

#030307

muted

#78787A

Preview Lab

Preview with #101A39

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

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