#10313C#10313C

#10313C is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.043 H 223.2°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#10313C
RGB	rgb(16, 49, 60)
HSL	hsl(195, 58%, 15%)
HSV	hsv(195, 73%, 24%)
CMYK	cmyk(73.3%, 18.3%, 0%, 76.5%)
CIE-LAB	lab(18.51, -7.84, -10.51)
CIE-LCH	lch(18.51, 13.11, 233.29°)
OKLab	oklab(29.43% -0.0312 -0.0293)
OKLCH	oklch(29.43% 0.043 223.2)
XYZ	xyz(2.1273, 2.6328, 4.6702)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10313C #3C1B10

analogous

#103C31 #10313C #101B3C

triadic

#10313C #3C1031 #313C10

tetradic

#10313C #31103C #3C1B10 #1B3C10

square

#10313C #31103C #3C1B10 #1B3C10

split-complementary

#10313C #3C101B #3C3110

monochromatic

#061418 #061418 #10313C #1D586C #2A809D

Accessibility & contrast

On white

13.76

#10313C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#10313C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10313C

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10313C	#FFFFFF	#000000	##FFFFFF
##10313C	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B303D

Deuteranopia (green-blind)

#242B3C

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #10313c;
/* rgb */ color: rgb(16, 49, 60);
/* oklch */ color: oklch(29.4% 0.043 223.2);

Tailwind

colors: {
  custom: {
    50: '#546971',
    500: '#10313c',
    950: '#000000',
  },
}

SCSS

$custom: #10313c;
$custom-light: #546971;
$custom-dark: #000000;

JSON

{
  "hex": "#10313c",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 60
  },
  "hsl": {
    "h": 195,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2943,
    "c": 0.04282,
    "h": 223.2
  },
  "luminance": 0.02633
}

Semantic roles & 50–950 ramp

primary

#10313C

secondary

#764332

accent

#6D47E1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #10313C

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

Preview Lab → · Contrast checker → · Palette generator →