#0F375B#0F375B

#0F375B is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.9% C 0.077 H 249.6°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#0F375B
RGB	rgb(15, 55, 91)
HSL	hsl(208, 72%, 21%)
HSV	hsv(208, 84%, 36%)
CMYK	cmyk(83.5%, 39.6%, 0%, 64.3%)
CIE-LAB	lab(22.26, 0.64, -25.47)
CIE-LCH	lch(22.26, 25.48, 271.43°)
OKLab	oklab(32.95% -0.027 -0.0726)
OKLCH	oklch(32.95% 0.077 249.6)
XYZ	xyz(3.4508, 3.5889, 10.4063)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F375B #5B330F

analogous

#0F5B59 #0F375B #0F115B

triadic

#0F375B #5B0F37 #375B0F

tetradic

#0F375B #590F5B #5B330F #115B0F

square

#0F375B #590F5B #5B330F #115B0F

split-complementary

#0F375B #5B0F11 #5B590F

monochromatic

#04101A #061726 #0F375B #185790 #2077C4

Accessibility & contrast

On white

12.22

#0F375B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#0F375B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F375B

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F375B	#FFFFFF	#000000	##FFFFFF
##0F375B	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26395C

Deuteranopia (green-blind)

#1B325A

Tritanopia (blue-blind)

#004044

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0f375b;
/* rgb */ color: rgb(15, 55, 91);
/* oklch */ color: oklch(32.9% 0.077 249.6);

Tailwind

colors: {
  custom: {
    50: '#5b6d89',
    500: '#0f375b',
    950: '#000000',
  },
}

SCSS

$custom: #0f375b;
$custom-light: #5b6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f375b",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 91
  },
  "hsl": {
    "h": 208.421,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32946,
    "c": 0.07744,
    "h": 249.6
  },
  "luminance": 0.03589
}

Semantic roles & 50–950 ramp

primary

#0F375B

secondary

#956031

accent

#8F39EE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F375B

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

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