#0C374B#0C374B

#0C374B is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.8% C 0.058 H 233.3°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#0C374B
RGB	rgb(12, 55, 75)
HSL	hsl(199, 72%, 17%)
HSV	hsv(199, 84%, 29%)
CMYK	cmyk(84%, 26.7%, 0%, 70.6%)
CIE-LAB	lab(21.28, -6.48, -16.42)
CIE-LCH	lch(21.28, 17.65, 248.45°)
OKLab	oklab(31.85% -0.0344 -0.0462)
OKLCH	oklch(31.85% 0.058 233.3)
XYZ	xyz(2.7873, 3.3182, 7.1488)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C374B #4B200C

analogous

#0C4B40 #0C374B #0C174B

triadic

#0C374B #4B0C37 #374B0C

tetradic

#0C374B #400C4B #4B200C #174B0C

square

#0C374B #400C4B #4B200C #174B0C

split-complementary

#0C374B #4B0C17 #4B400C

monochromatic

#04131A #04131A #0C374B #145E80 #1D84B5

Accessibility & contrast

On white

12.62

#0C374B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#0C374B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C374B

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C374B	#FFFFFF	#000000	##FFFFFF
##0C374B	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D364C

Deuteranopia (green-blind)

#25304B

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0c374b;
/* rgb */ color: rgb(12, 55, 75);
/* oklch */ color: oklch(31.8% 0.058 233.3);

Tailwind

colors: {
  custom: {
    50: '#566d7d',
    500: '#0c374b',
    950: '#000000',
  },
}

SCSS

$custom: #0c374b;
$custom-light: #566d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0c374b",
  "rgb": {
    "r": 12,
    "g": 55,
    "b": 75
  },
  "hsl": {
    "h": 199.048,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.31845,
    "c": 0.05765,
    "h": 233.3
  },
  "luminance": 0.03319
}

Semantic roles & 50–950 ramp

primary

#0C374B

secondary

#87492C

accent

#7339EF

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0C374B

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

Preview Lab → · Contrast checker → · Palette generator →