#10313A#10313A

#10313A is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.041 H 218.7°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#10313A
RGB	rgb(16, 49, 58)
HSL	hsl(193, 57%, 15%)
HSV	hsv(193, 72%, 23%)
CMYK	cmyk(72.4%, 15.5%, 0%, 77.3%)
CIE-LAB	lab(18.42, -8.60, -9.27)
CIE-LCH	lch(18.42, 12.65, 227.15°)
OKLab	oklab(29.33% -0.0322 -0.0258)
OKLCH	oklch(29.33% 0.041 218.7)
XYZ	xyz(2.0754, 2.6121, 4.3970)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10313A #3A1910

analogous

#103A2E #10313A #101C3A

triadic

#10313A #3A1031 #313A10

tetradic

#10313A #2E103A #3A1910 #1C3A10

square

#10313A #2E103A #3A1910 #1C3A10

split-complementary

#10313A #3A101C #3A2E10

monochromatic

#071418 #071418 #10313A #1D5A6A #2A829A

Accessibility & contrast

On white

13.79

#10313A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#10313A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10313A

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10313A	#FFFFFF	#000000	##FFFFFF
##10313A	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2F3A

Deuteranopia (green-blind)

#252B3A

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #10313a;
/* rgb */ color: rgb(16, 49, 58);
/* oklch */ color: oklch(29.3% 0.041 218.7);

Tailwind

colors: {
  custom: {
    50: '#546970',
    500: '#10313a',
    950: '#000000',
  },
}

SCSS

$custom: #10313a;
$custom-light: #546970;
$custom-dark: #000000;

JSON

{
  "hex": "#10313a",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 192.857,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.29327,
    "c": 0.04125,
    "h": 218.7
  },
  "luminance": 0.02612
}

Semantic roles & 50–950 ramp

primary

#10313A

secondary

#744032

accent

#6848E0

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #10313A

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

Preview Lab → · Contrast checker → · Palette generator →