#101E37#101E37

#101E37 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.7% C 0.052 H 261.2°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#101E37
RGB	rgb(16, 30, 55)
HSL	hsl(218, 55%, 14%)
HSV	hsv(218, 71%, 22%)
CMYK	cmyk(70.9%, 45.5%, 0%, 78.4%)
CIE-LAB	lab(11.38, 3.60, -18.13)
CIE-LCH	lch(11.38, 18.49, 281.24°)
OKLab	oklab(23.71% -0.008 -0.0515)
OKLCH	oklch(23.71% 0.052 261.2)
XYZ	xyz(1.3673, 1.3144, 3.7953)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E37 #372910

analogous

#103237 #101E37 #161037

triadic

#101E37 #37101E #1E3710

tetradic

#101E37 #371032 #372910 #103716

square

#101E37 #371032 #372910 #103716

split-complementary

#101E37 #371610 #323710

monochromatic

#070D18 #070D18 #101E37 #1E3866 #2C5296

Accessibility & contrast

On white

16.63

#101E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#101E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E37

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E37	#FFFFFF	#000000	##FFFFFF
##101E37	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132038

Deuteranopia (green-blind)

#0E1D36

Tritanopia (blue-blind)

#002427

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101e37;
/* rgb */ color: rgb(16, 30, 55);
/* oklch */ color: oklch(23.7% 0.052 261.2);

Tailwind

colors: {
  custom: {
    50: '#52596e',
    500: '#101e37',
    950: '#000000',
  },
}

SCSS

$custom: #101e37;
$custom-light: #52596e;
$custom-dark: #000000;

JSON

{
  "hex": "#101e37",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 55
  },
  "hsl": {
    "h": 218.462,
    "s": 54.93,
    "l": 13.922
  },
  "oklch": {
    "l": 0.23711,
    "c": 0.0521,
    "h": 261.2
  },
  "luminance": 0.01315
}

Semantic roles & 50–950 ramp

primary

#101E37

secondary

#715A32

accent

#A94ADE

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020307

muted

#78787A

Preview Lab

Preview with #101E37

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

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