#0C3748#0C3748

#0C3748 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.7% C 0.054 H 229.0°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#0C3748
RGB	rgb(12, 55, 72)
HSL	hsl(197, 71%, 16%)
HSV	hsv(197, 83%, 28%)
CMYK	cmyk(83.3%, 23.6%, 0%, 71.8%)
CIE-LAB	lab(21.12, -7.70, -14.64)
CIE-LCH	lch(21.12, 16.54, 242.24°)
OKLab	oklab(31.67% -0.0357 -0.0411)
OKLCH	oklch(31.67% 0.054 229)
XYZ	xyz(2.6870, 3.2781, 6.6208)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3748 #481D0C

analogous

#0C483B #0C3748 #0C1948

triadic

#0C3748 #480C37 #37480C

tetradic

#0C3748 #3B0C48 #481D0C #19480C

square

#0C3748 #3B0C48 #481D0C #19480C

split-complementary

#0C3748 #480C19 #483B0C

monochromatic

#04141A #04141A #0C3748 #155F7C #1D87B1

Accessibility & contrast

On white

12.68

#0C3748 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#0C3748 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3748

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3748	#FFFFFF	#000000	##FFFFFF
##0C3748	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3649

Deuteranopia (green-blind)

#263048

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0c3748;
/* rgb */ color: rgb(12, 55, 72);
/* oklch */ color: oklch(31.7% 0.054 229.0);

Tailwind

colors: {
  custom: {
    50: '#556d7b',
    500: '#0c3748',
    950: '#000000',
  },
}

SCSS

$custom: #0c3748;
$custom-light: #556d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3748",
  "rgb": {
    "r": 12,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 197,
    "s": 71.429,
    "l": 16.471
  },
  "oklch": {
    "l": 0.31675,
    "c": 0.05447,
    "h": 229
  },
  "luminance": 0.03278
}

Semantic roles & 50–950 ramp

primary

#0C3748

secondary

#84452C

accent

#6D3AEE

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0C3748

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

Preview Lab → · Contrast checker → · Palette generator →