#10313D#10313D

#10313D is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.044 H 225.3°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#10313D
RGB	rgb(16, 49, 61)
HSL	hsl(196, 58%, 15%)
HSV	hsv(196, 74%, 24%)
CMYK	cmyk(73.8%, 19.7%, 0%, 76.1%)
CIE-LAB	lab(18.56, -7.45, -11.13)
CIE-LCH	lch(18.56, 13.39, 236.19°)
OKLab	oklab(29.48% -0.0308 -0.031)
OKLCH	oklch(29.48% 0.044 225.3)
XYZ	xyz(2.1540, 2.6435, 4.8107)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10313D #3D1C10

analogous

#103D32 #10313D #101A3D

triadic

#10313D #3D1031 #313D10

tetradic

#10313D #32103D #3D1C10 #1A3D10

square

#10313D #32103D #3D1C10 #1A3D10

split-complementary

#10313D #3D101A #3D3210

monochromatic

#061318 #061318 #10313D #1D586D #297F9E

Accessibility & contrast

On white

13.74

#10313D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#10313D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10313D

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10313D	#FFFFFF	#000000	##FFFFFF
##10313D	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303E

Deuteranopia (green-blind)

#242B3D

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #10313d;
/* rgb */ color: rgb(16, 49, 61);
/* oklch */ color: oklch(29.5% 0.044 225.3);

Tailwind

colors: {
  custom: {
    50: '#546972',
    500: '#10313d',
    950: '#000000',
  },
}

SCSS

$custom: #10313d;
$custom-light: #546972;
$custom-dark: #000000;

JSON

{
  "hex": "#10313d",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 196,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.29483,
    "c": 0.04371,
    "h": 225.3
  },
  "luminance": 0.02644
}

Semantic roles & 50–950 ramp

primary

#10313D

secondary

#774432

accent

#7046E2

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #10313D

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

Preview Lab → · Contrast checker → · Palette generator →