#0D313B#0D313B

#0D313B is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.044 H 219.7°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#0D313B
RGB	rgb(13, 49, 59)
HSL	hsl(193, 64%, 14%)
HSV	hsv(193, 78%, 23%)
CMYK	cmyk(78%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(18.35, -8.82, -10.07)
CIE-LCH	lch(18.35, 13.39, 228.77°)
OKLab	oklab(29.26% -0.0338 -0.0281)
OKLCH	oklch(29.26% 0.044 219.7)
XYZ	xyz(2.0534, 2.5977, 4.5300)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D313B #3B170D

analogous

#0D3B2E #0D313B #0D1A3B

triadic

#0D313B #3B0D31 #313B0D

tetradic

#0D313B #2E0D3B #3B170D #1A3B0D

square

#0D313B #2E0D3B #3B170D #1A3B0D

split-complementary

#0D313B #3B0D1A #3B2E0D

monochromatic

#061519 #061519 #0D313B #185B6D #23849F

Accessibility & contrast

On white

13.82

#0D313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0D313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D313B

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D313B	#FFFFFF	#000000	##FFFFFF
##0D313B	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2F3C

Deuteranopia (green-blind)

#242B3B

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0d313b;
/* rgb */ color: rgb(13, 49, 59);
/* oklch */ color: oklch(29.3% 0.044 219.7);

Tailwind

colors: {
  custom: {
    50: '#536971',
    500: '#0d313b',
    950: '#000000',
  },
}

SCSS

$custom: #0d313b;
$custom-light: #536971;
$custom-dark: #000000;

JSON

{
  "hex": "#0d313b",
  "rgb": {
    "r": 13,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 193.043,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.29261,
    "c": 0.04394,
    "h": 219.7
  },
  "luminance": 0.02598
}

Semantic roles & 50–950 ramp

primary

#0D313B

secondary

#773D2D

accent

#6541E7

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #0D313B

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

Preview Lab → · Contrast checker → · Palette generator →