#0C273B#0C273B

#0C273B is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.3% C 0.050 H 243.8°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#0C273B
RGB	rgb(12, 39, 59)
HSL	hsl(206, 66%, 14%)
HSV	hsv(206, 80%, 23%)
CMYK	cmyk(79.7%, 33.9%, 0%, 76.9%)
CIE-LAB	lab(14.65, -2.23, -15.81)
CIE-LCH	lch(14.65, 15.97, 261.99°)
OKLab	oklab(26.3% -0.0219 -0.0447)
OKLCH	oklch(26.3% 0.05 243.8)
XYZ	xyz(1.6663, 1.8448, 4.4051)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C273B #3B200C

analogous

#0C3B38 #0C273B #0C103B

triadic

#0C273B #3B0C27 #273B0C

tetradic

#0C273B #380C3B #3B200C #103B0C

square

#0C273B #380C3B #3B200C #103B0C

split-complementary

#0C273B #3B0C10 #3B380C

monochromatic

#051119 #051119 #0C273B #16496E #216AA1

Accessibility & contrast

On white

15.34

#0C273B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0C273B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C273B

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C273B	#FFFFFF	#000000	##FFFFFF
##0C273B	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E273C

Deuteranopia (green-blind)

#17233B

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0c273b;
/* rgb */ color: rgb(12, 39, 59);
/* oklch */ color: oklch(26.3% 0.050 243.8);

Tailwind

colors: {
  custom: {
    50: '#526071',
    500: '#0c273b',
    950: '#000000',
  },
}

SCSS

$custom: #0c273b;
$custom-light: #526071;
$custom-dark: #000000;

JSON

{
  "hex": "#0c273b",
  "rgb": {
    "r": 12,
    "g": 39,
    "b": 59
  },
  "hsl": {
    "h": 205.532,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.26301,
    "c": 0.04977,
    "h": 243.8
  },
  "luminance": 0.01845
}

Semantic roles & 50–950 ramp

primary

#0C273B

secondary

#774C2C

accent

#873FE9

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0C273B

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

Preview Lab → · Contrast checker → · Palette generator →