#0C3A51#0C3A51

#0C3A51 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.063 H 235.6°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#0C3A51
RGB	rgb(12, 58, 81)
HSL	hsl(200, 74%, 18%)
HSV	hsv(200, 85%, 32%)
CMYK	cmyk(85.2%, 28.4%, 0%, 68.2%)
CIE-LAB	lab(22.65, -5.99, -18.27)
CIE-LCH	lch(22.65, 19.23, 251.86°)
OKLab	oklab(33.04% -0.0354 -0.0516)
OKLCH	oklch(33.04% 0.063 235.6)
XYZ	xyz(3.1493, 3.6980, 8.3308)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3A51 #51230C

analogous

#0C5145 #0C3A51 #0C1751

triadic

#0C3A51 #510C3A #3A510C

tetradic

#0C3A51 #450C51 #51230C #17510C

square

#0C3A51 #450C51 #51230C #17510C

split-complementary

#0C3A51 #510C17 #51450C

monochromatic

#04131B #04141C #0C3A51 #146086 #1C86BC

Accessibility & contrast

On white

12.07

#0C3A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0C3A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3A51

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3A51	#FFFFFF	#000000	##FFFFFF
##0C3A51	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A52

Deuteranopia (green-blind)

#263351

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0c3a51;
/* rgb */ color: rgb(12, 58, 81);
/* oklch */ color: oklch(33.0% 0.063 235.6);

Tailwind

colors: {
  custom: {
    50: '#587082',
    500: '#0c3a51',
    950: '#000000',
  },
}

SCSS

$custom: #0c3a51;
$custom-light: #587082;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3a51",
  "rgb": {
    "r": 12,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 200,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.3304,
    "c": 0.06253,
    "h": 235.6
  },
  "luminance": 0.03698
}

Semantic roles & 50–950 ramp

primary

#0C3A51

secondary

#8C4C2C

accent

#7537F1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0C3A51

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

Preview Lab → · Contrast checker → · Palette generator →