#0D374B#0D374B

#0D374B is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.057 H 233.7°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#0D374B
RGB	rgb(13, 55, 75)
HSL	hsl(199, 70%, 17%)
HSV	hsv(199, 83%, 29%)
CMYK	cmyk(82.7%, 26.7%, 0%, 70.6%)
CIE-LAB	lab(21.30, -6.34, -16.37)
CIE-LCH	lch(21.30, 17.55, 248.84°)
OKLab	oklab(31.87% -0.0339 -0.0461)
OKLCH	oklch(31.87% 0.057 233.7)
XYZ	xyz(2.8017, 3.3256, 7.1495)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D374B #4B210D

analogous

#0D4B40 #0D374B #0D184B

triadic

#0D374B #4B0D37 #374B0D

tetradic

#0D374B #400D4B #4B210D #184B0D

square

#0D374B #400D4B #4B210D #184B0D

split-complementary

#0D374B #4B0D18 #4B400D

monochromatic

#05131A #05131A #0D374B #165D7F #1F84B3

Accessibility & contrast

On white

12.61

#0D374B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#0D374B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D374B

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D374B	#FFFFFF	#000000	##FFFFFF
##0D374B	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D364C

Deuteranopia (green-blind)

#25314B

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0d374b;
/* rgb */ color: rgb(13, 55, 75);
/* oklch */ color: oklch(31.9% 0.057 233.7);

Tailwind

colors: {
  custom: {
    50: '#566d7d',
    500: '#0d374b',
    950: '#000000',
  },
}

SCSS

$custom: #0d374b;
$custom-light: #566d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d374b",
  "rgb": {
    "r": 13,
    "g": 55,
    "b": 75
  },
  "hsl": {
    "h": 199.355,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.31875,
    "c": 0.05721,
    "h": 233.7
  },
  "luminance": 0.03326
}

Semantic roles & 50–950 ramp

primary

#0D374B

secondary

#864A2E

accent

#743BED

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0D374B

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

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