#0C3451#0C3451

#0C3451 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.4% C 0.068 H 244.8°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#0C3451
RGB	rgb(12, 52, 81)
HSL	hsl(205, 74%, 18%)
HSV	hsv(205, 85%, 32%)
CMYK	cmyk(85.2%, 35.8%, 0%, 68.2%)
CIE-LAB	lab(20.55, -1.95, -21.57)
CIE-LCH	lch(20.55, 21.65, 264.85°)
OKLab	oklab(31.38% -0.0289 -0.0612)
OKLCH	oklch(31.38% 0.068 244.8)
XYZ	xyz(2.8642, 3.1279, 8.2358)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3451 #51290C

analogous

#0C514B #0C3451 #0C1151

triadic

#0C3451 #510C34 #34510C

tetradic

#0C3451 #4B0C51 #51290C #11510C

square

#0C3451 #4B0C51 #51290C #11510C

split-complementary

#0C3451 #510C11 #514B0C

monochromatic

#04111B #04121C #0C3451 #145686 #1C78BC

Accessibility & contrast

On white

12.92

#0C3451 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#0C3451 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3451

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3451	#FFFFFF	#000000	##FFFFFF
##0C3451	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273552

Deuteranopia (green-blind)

#1D2F50

Tritanopia (blue-blind)

#003B3E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0c3451;
/* rgb */ color: rgb(12, 52, 81);
/* oklch */ color: oklch(31.4% 0.068 244.8);

Tailwind

colors: {
  custom: {
    50: '#576b82',
    500: '#0c3451',
    950: '#000000',
  },
}

SCSS

$custom: #0c3451;
$custom-light: #576b82;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3451",
  "rgb": {
    "r": 12,
    "g": 52,
    "b": 81
  },
  "hsl": {
    "h": 205.217,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31377,
    "c": 0.0677,
    "h": 244.8
  },
  "luminance": 0.03128
}

Semantic roles & 50–950 ramp

primary

#0C3451

secondary

#8C552C

accent

#8537F1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0C3451

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

Preview Lab → · Contrast checker → · Palette generator →