#0C3E4B#0C3E4B

#0C3E4B is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.055 H 219.6°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#0C3E4B
RGB	rgb(12, 62, 75)
HSL	hsl(192, 72%, 17%)
HSV	hsv(192, 84%, 29%)
CMYK	cmyk(84%, 17.3%, 0%, 70.6%)
CIE-LAB	lab(23.77, -10.94, -12.55)
CIE-LCH	lch(23.77, 16.65, 228.93°)
OKLab	oklab(33.85% -0.0425 -0.0351)
OKLCH	oklch(33.85% 0.055 219.6)
XYZ	xyz(3.1437, 4.0310, 7.2676)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3E4B #4B190C

analogous

#0C4B39 #0C3E4B #0C1F4B

triadic

#0C3E4B #4B0C3E #3E4B0C

tetradic

#0C3E4B #390C4B #4B190C #1F4B0C

square

#0C3E4B #390C4B #4B190C #1F4B0C

split-complementary

#0C3E4B #4B0C1F #4B390C

monochromatic

#04161A #04161A #0C3E4B #146A80 #1D95B5

Accessibility & contrast

On white

11.63

#0C3E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0C3E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3E4B

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3E4B	#FFFFFF	#000000	##FFFFFF
##0C3E4B	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4C

Deuteranopia (green-blind)

#2D364B

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0c3e4b;
/* rgb */ color: rgb(12, 62, 75);
/* oklch */ color: oklch(33.8% 0.055 219.6);

Tailwind

colors: {
  custom: {
    50: '#57737d',
    500: '#0c3e4b',
    950: '#000000',
  },
}

SCSS

$custom: #0c3e4b;
$custom-light: #57737d;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3e4b",
  "rgb": {
    "r": 12,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 192.381,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33845,
    "c": 0.0551,
    "h": 219.6
  },
  "luminance": 0.04031
}

Semantic roles & 50–950 ramp

primary

#0C3E4B

secondary

#873F2C

accent

#5E39EF

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0C3E4B

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

Preview Lab → · Contrast checker → · Palette generator →