#0C3D4B#0C3D4B

#0C3D4B is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.055 H 221.6°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#0C3D4B
RGB	rgb(12, 61, 75)
HSL	hsl(193, 72%, 17%)
HSV	hsv(193, 84%, 29%)
CMYK	cmyk(84%, 18.7%, 0%, 70.6%)
CIE-LAB	lab(23.42, -10.32, -13.10)
CIE-LCH	lch(23.42, 16.68, 231.77°)
OKLab	oklab(33.56% -0.0413 -0.0367)
OKLCH	oklch(33.56% 0.055 221.6)
XYZ	xyz(3.0898, 3.9233, 7.2497)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3D4B #4B1A0C

analogous

#0C4B3A #0C3D4B #0C1E4B

triadic

#0C3D4B #4B0C3D #3D4B0C

tetradic

#0C3D4B #3A0C4B #4B1A0C #1E4B0C

square

#0C3D4B #3A0C4B #4B1A0C #1E4B0C

split-complementary

#0C3D4B #4B0C1E #4B3A0C

monochromatic

#04151A #04151A #0C3D4B #146880 #1D93B5

Accessibility & contrast

On white

11.77

#0C3D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0C3D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3D4B

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3D4B	#FFFFFF	#000000	##FFFFFF
##0C3D4B	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4C

Deuteranopia (green-blind)

#2C354B

Tritanopia (blue-blind)

#004141

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0c3d4b;
/* rgb */ color: rgb(12, 61, 75);
/* oklch */ color: oklch(33.6% 0.055 221.6);

Tailwind

colors: {
  custom: {
    50: '#57727d',
    500: '#0c3d4b',
    950: '#000000',
  },
}

SCSS

$custom: #0c3d4b;
$custom-light: #57727d;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3d4b",
  "rgb": {
    "r": 12,
    "g": 61,
    "b": 75
  },
  "hsl": {
    "h": 193.333,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33558,
    "c": 0.05525,
    "h": 221.6
  },
  "luminance": 0.03924
}

Semantic roles & 50–950 ramp

primary

#0C3D4B

secondary

#87402C

accent

#6139EF

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030809

muted

#787B7B

Preview Lab

Preview with #0C3D4B

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

Preview Lab → · Contrast checker → · Palette generator →