#0C3F4D#0C3F4D

#0C3F4D is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.2% C 0.056 H 220.8°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#0C3F4D
RGB	rgb(12, 63, 77)
HSL	hsl(193, 73%, 17%)
HSV	hsv(193, 84%, 30%)
CMYK	cmyk(84.4%, 18.2%, 0%, 69.8%)
CIE-LAB	lab(24.22, -10.78, -13.19)
CIE-LCH	lch(24.22, 17.03, 230.74°)
OKLab	oklab(34.23% -0.0427 -0.0369)
OKLCH	oklch(34.23% 0.056 220.8)
XYZ	xyz(3.2681, 4.1686, 7.6521)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3F4D #4D1A0C

analogous

#0C4D3B #0C3F4D #0C1F4D

triadic

#0C3F4D #4D0C3F #3F4D0C

tetradic

#0C3F4D #3B0C4D #4D1A0C #1F4D0C

square

#0C3F4D #3B0C4D #4D1A0C #1F4D0C

split-complementary

#0C3F4D #4D0C1F #4D3B0C

monochromatic

#04161A #04161A #0C3F4D #146A82 #1D96B7

Accessibility & contrast

On white

11.45

#0C3F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#0C3F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3F4D

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3F4D	#FFFFFF	#000000	##FFFFFF
##0C3F4D	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373D4E

Deuteranopia (green-blind)

#2E374D

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0c3f4d;
/* rgb */ color: rgb(12, 63, 77);
/* oklch */ color: oklch(34.2% 0.056 220.8);

Tailwind

colors: {
  custom: {
    50: '#57747e',
    500: '#0c3f4d',
    950: '#000000',
  },
}

SCSS

$custom: #0c3f4d;
$custom-light: #57747e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3f4d",
  "rgb": {
    "r": 12,
    "g": 63,
    "b": 77
  },
  "hsl": {
    "h": 192.923,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.34234,
    "c": 0.05643,
    "h": 220.8
  },
  "luminance": 0.04169
}

Semantic roles & 50–950 ramp

primary

#0C3F4D

secondary

#89402C

accent

#6038F0

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0C3F4D

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

Preview Lab → · Contrast checker → · Palette generator →