#0C3B4E#0C3B4E

#0C3B4E is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.1% C 0.059 H 230.0°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#0C3B4E
RGB	rgb(12, 59, 78)
HSL	hsl(197, 73%, 18%)
HSV	hsv(197, 85%, 31%)
CMYK	cmyk(84.6%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(22.85, -7.86, -15.97)
CIE-LCH	lch(22.85, 17.80, 243.79°)
OKLab	oklab(33.15% -0.0377 -0.0449)
OKLCH	oklch(33.15% 0.059 230)
XYZ	xyz(3.0902, 3.7558, 7.7683)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3B4E #4E1F0C

analogous

#0C4E40 #0C3B4E #0C1A4E

triadic

#0C3B4E #4E0C3B #3B4E0C

tetradic

#0C3B4E #400C4E #4E1F0C #1A4E0C

square

#0C3B4E #400C4E #4E1F0C #1A4E0C

split-complementary

#0C3B4E #4E0C1A #4E400C

monochromatic

#04141B #04141B #0C3B4E #146383 #1C8BB8

Accessibility & contrast

On white

11.99

#0C3B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#0C3B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3B4E

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3B4E	#FFFFFF	#000000	##FFFFFF
##0C3B4E	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313A4F

Deuteranopia (green-blind)

#28344E

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0c3b4e;
/* rgb */ color: rgb(12, 59, 78);
/* oklch */ color: oklch(33.1% 0.059 230.0);

Tailwind

colors: {
  custom: {
    50: '#57707f',
    500: '#0c3b4e',
    950: '#000000',
  },
}

SCSS

$custom: #0c3b4e;
$custom-light: #57707f;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3b4e",
  "rgb": {
    "r": 12,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 197.273,
    "s": 73.333,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33149,
    "c": 0.05866,
    "h": 230
  },
  "luminance": 0.03756
}

Semantic roles & 50–950 ramp

primary

#0C3B4E

secondary

#8A472C

accent

#6D38F0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0C3B4E

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

Preview Lab → · Contrast checker → · Palette generator →