#0D283A#0D283A

#0D283A is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.047 H 240.9°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#0D283A
RGB	rgb(13, 40, 58)
HSL	hsl(204, 63%, 14%)
HSV	hsv(204, 78%, 23%)
CMYK	cmyk(77.6%, 31%, 0%, 77.3%)
CIE-LAB	lab(15.00, -3.16, -14.56)
CIE-LCH	lch(15.00, 14.90, 257.75°)
OKLab	oklab(26.57% -0.0228 -0.041)
OKLCH	oklch(26.57% 0.047 240.9)
XYZ	xyz(1.6882, 1.9085, 4.2816)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D283A #3A1F0D

analogous

#0D3A36 #0D283A #0D123A

triadic

#0D283A #3A0D28 #283A0D

tetradic

#0D283A #360D3A #3A1F0D #123A0D

square

#0D283A #360D3A #3A1F0D #123A0D

split-complementary

#0D283A #3A0D12 #3A360D

monochromatic

#061119 #061119 #0D283A #184A6C #236D9E

Accessibility & contrast

On white

15.20

#0D283A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#0D283A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D283A

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D283A	#FFFFFF	#000000	##FFFFFF
##0D283A	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20283B

Deuteranopia (green-blind)

#1A243A

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0d283a;
/* rgb */ color: rgb(13, 40, 58);
/* oklch */ color: oklch(26.6% 0.047 240.9);

Tailwind

colors: {
  custom: {
    50: '#526170',
    500: '#0d283a',
    950: '#000000',
  },
}

SCSS

$custom: #0d283a;
$custom-light: #526170;
$custom-dark: #000000;

JSON

{
  "hex": "#0d283a",
  "rgb": {
    "r": 13,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 204,
    "s": 63.38,
    "l": 13.922
  },
  "oklch": {
    "l": 0.26569,
    "c": 0.04693,
    "h": 240.9
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#0D283A

secondary

#764A2D

accent

#8341E6

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0D283A

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

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