#101E39#101E39

#101E39 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.9% C 0.056 H 262.3°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#101E39
RGB	rgb(16, 30, 57)
HSL	hsl(220, 56%, 14%)
HSV	hsv(220, 72%, 22%)
CMYK	cmyk(71.9%, 47.4%, 0%, 77.6%)
CIE-LAB	lab(11.51, 4.45, -19.35)
CIE-LCH	lch(11.51, 19.85, 282.96°)
OKLab	oklab(23.86% -0.0074 -0.055)
OKLCH	oklch(23.86% 0.056 262.3)
XYZ	xyz(1.4162, 1.3340, 4.0530)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E39 #392B10

analogous

#103339 #101E39 #171039

triadic

#101E39 #39101E #1E3910

tetradic

#101E39 #391033 #392B10 #103917

square

#101E39 #391033 #392B10 #103917

split-complementary

#101E39 #391710 #333910

monochromatic

#070D18 #070D18 #101E39 #1D3769 #2B5099

Accessibility & contrast

On white

16.58

#101E39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#101E39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E39

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E39	#FFFFFF	#000000	##FFFFFF
##101E39	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12213A

Deuteranopia (green-blind)

#0C1D38

Tritanopia (blue-blind)

#002428

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101e39;
/* rgb */ color: rgb(16, 30, 57);
/* oklch */ color: oklch(23.9% 0.056 262.3);

Tailwind

colors: {
  custom: {
    50: '#53596f',
    500: '#101e39',
    950: '#000000',
  },
}

SCSS

$custom: #101e39;
$custom-light: #53596f;
$custom-dark: #000000;

JSON

{
  "hex": "#101e39",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 57
  },
  "hsl": {
    "h": 219.512,
    "s": 56.164,
    "l": 14.314
  },
  "oklch": {
    "l": 0.23859,
    "c": 0.05554,
    "h": 262.3
  },
  "luminance": 0.01334
}

Semantic roles & 50–950 ramp

primary

#101E39

secondary

#735D32

accent

#AC48DF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #101E39

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

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