#101F33#101F33

#101F33 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.7% C 0.044 H 256.0°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#101F33
RGB	rgb(16, 31, 51)
HSL	hsl(214, 52%, 13%)
HSV	hsv(214, 69%, 20%)
CMYK	cmyk(68.6%, 39.2%, 0%, 80%)
CIE-LAB	lab(11.48, 1.17, -15.10)
CIE-LCH	lch(11.48, 15.15, 274.43°)
OKLab	oklab(23.71% -0.0106 -0.0426)
OKLCH	oklch(23.71% 0.044 256)
XYZ	xyz(1.3010, 1.3290, 3.3193)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F33 #332410

analogous

#103033 #101F33 #121033

triadic

#101F33 #33101F #1F3310

tetradic

#101F33 #331030 #332410 #103312

square

#101F33 #331030 #332410 #103312

split-complementary

#101F33 #331210 #303310

monochromatic

#070E17 #070E17 #101F33 #1F3B62 #2D5890

Accessibility & contrast

On white

16.59

#101F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#101F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F33

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F33	#FFFFFF	#000000	##FFFFFF
##101F33	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172034

Deuteranopia (green-blind)

#121D33

Tritanopia (blue-blind)

#002426

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101f33;
/* rgb */ color: rgb(16, 31, 51);
/* oklch */ color: oklch(23.7% 0.044 256.0);

Tailwind

colors: {
  custom: {
    50: '#525a6a',
    500: '#101f33',
    950: '#000000',
  },
}

SCSS

$custom: #101f33;
$custom-light: #525a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#101f33",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 51
  },
  "hsl": {
    "h": 214.286,
    "s": 52.239,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23706,
    "c": 0.04394,
    "h": 256
  },
  "luminance": 0.01329
}

Semantic roles & 50–950 ramp

primary

#101F33

secondary

#6C5432

accent

#9E4CDC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101F33

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

Preview Lab → · Contrast checker → · Palette generator →