#0C3951#0C3951

#0C3951 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.063 H 237.2°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#0C3951
RGB	rgb(12, 57, 81)
HSL	hsl(201, 74%, 18%)
HSV	hsv(201, 85%, 32%)
CMYK	cmyk(85.2%, 29.6%, 0%, 68.2%)
CIE-LAB	lab(22.30, -5.33, -18.82)
CIE-LCH	lch(22.30, 19.56, 254.20°)
OKLab	oklab(32.76% -0.0343 -0.0532)
OKLCH	oklch(32.76% 0.063 237.2)
XYZ	xyz(3.0994, 3.5981, 8.3141)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3951 #51240C

analogous

#0C5146 #0C3951 #0C1651

triadic

#0C3951 #510C39 #39510C

tetradic

#0C3951 #460C51 #51240C #16510C

square

#0C3951 #460C51 #51240C #16510C

split-complementary

#0C3951 #510C16 #51460C

monochromatic

#04131B #04131C #0C3951 #145F86 #1C84BC

Accessibility & contrast

On white

12.21

#0C3951 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#0C3951 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3951

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3951	#FFFFFF	#000000	##FFFFFF
##0C3951	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3952

Deuteranopia (green-blind)

#243251

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0c3951;
/* rgb */ color: rgb(12, 57, 81);
/* oklch */ color: oklch(32.8% 0.063 237.2);

Tailwind

colors: {
  custom: {
    50: '#586f82',
    500: '#0c3951',
    950: '#000000',
  },
}

SCSS

$custom: #0c3951;
$custom-light: #586f82;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3951",
  "rgb": {
    "r": 12,
    "g": 57,
    "b": 81
  },
  "hsl": {
    "h": 200.87,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.3276,
    "c": 0.06327,
    "h": 237.2
  },
  "luminance": 0.03598
}

Semantic roles & 50–950 ramp

primary

#0C3951

secondary

#8C4E2C

accent

#7837F1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0C3951

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

Preview Lab → · Contrast checker → · Palette generator →