#0F374B#0F374B

#0F374B is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.056 H 234.5°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#0F374B
RGB	rgb(15, 55, 75)
HSL	hsl(200, 67%, 18%)
HSV	hsv(200, 80%, 29%)
CMYK	cmyk(80%, 26.7%, 0%, 70.6%)
CIE-LAB	lab(21.36, -6.03, -16.27)
CIE-LCH	lch(21.36, 17.35, 249.68°)
OKLab	oklab(31.94% -0.0327 -0.0458)
OKLCH	oklch(31.94% 0.056 234.5)
XYZ	xyz(2.8327, 3.3416, 7.1510)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F374B #4B230F

analogous

#0F4B41 #0F374B #0F194B

triadic

#0F374B #4B0F37 #374B0F

tetradic

#0F374B #410F4B #4B230F #194B0F

square

#0F374B #410F4B #4B230F #194B0F

split-complementary

#0F374B #4B0F19 #4B410F

monochromatic

#05131A #05131A #0F374B #195C7E #2382B1

Accessibility & contrast

On white

12.59

#0F374B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#0F374B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F374B

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F374B	#FFFFFF	#000000	##FFFFFF
##0F374B	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D374C

Deuteranopia (green-blind)

#25314B

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0f374b;
/* rgb */ color: rgb(15, 55, 75);
/* oklch */ color: oklch(31.9% 0.056 234.5);

Tailwind

colors: {
  custom: {
    50: '#576d7d',
    500: '#0f374b',
    950: '#000000',
  },
}

SCSS

$custom: #0f374b;
$custom-light: #576d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f374b",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 75
  },
  "hsl": {
    "h": 200,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.3194,
    "c": 0.05627,
    "h": 234.5
  },
  "luminance": 0.03342
}

Semantic roles & 50–950 ramp

primary

#0F374B

secondary

#854D30

accent

#773EEA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0F374B

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

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