#0F375A#0F375A

#0F375A is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.9% C 0.076 H 248.9°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#0F375A
RGB	rgb(15, 55, 90)
HSL	hsl(208, 71%, 21%)
HSV	hsv(208, 83%, 35%)
CMYK	cmyk(83.3%, 38.9%, 0%, 64.7%)
CIE-LAB	lab(22.20, 0.21, -24.91)
CIE-LCH	lch(22.20, 24.91, 270.49°)
OKLab	oklab(32.88% -0.0273 -0.0709)
OKLCH	oklch(32.88% 0.076 248.9)
XYZ	xyz(3.4079, 3.5717, 10.1807)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F375A #5A320F

analogous

#0F5A57 #0F375A #0F115A

triadic

#0F375A #5A0F37 #375A0F

tetradic

#0F375A #570F5A #5A320F #115A0F

square

#0F375A #570F5A #5A320F #115A0F

split-complementary

#0F375A #5A0F11 #5A570F

monochromatic

#04101A #061726 #0F375A #18578E #2077C3

Accessibility & contrast

On white

12.25

#0F375A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#0F375A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F375A

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F375A	#FFFFFF	#000000	##FFFFFF
##0F375A	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27395B

Deuteranopia (green-blind)

#1C3259

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0f375a;
/* rgb */ color: rgb(15, 55, 90);
/* oklch */ color: oklch(32.9% 0.076 248.9);

Tailwind

colors: {
  custom: {
    50: '#5a6d89',
    500: '#0f375a',
    950: '#000000',
  },
}

SCSS

$custom: #0f375a;
$custom-light: #5a6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f375a",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 90
  },
  "hsl": {
    "h": 208,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.32878,
    "c": 0.07601,
    "h": 248.9
  },
  "luminance": 0.03572
}

Semantic roles & 50–950 ramp

primary

#0F375A

secondary

#945F31

accent

#8E3AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F375A

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

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