#0C233A#0C233A

#0C233A is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.1% C 0.053 H 250.7°. Best body text is #FFFFFF at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#0C233A
RGB	rgb(12, 35, 58)
HSL	hsl(210, 66%, 14%)
HSV	hsv(210, 79%, 23%)
CMYK	cmyk(79.3%, 39.7%, 0%, 77.3%)
CIE-LAB	lab(13.14, 0.25, -17.48)
CIE-LCH	lch(13.14, 17.48, 270.82°)
OKLab	oklab(25.09% -0.0174 -0.0496)
OKLCH	oklch(25.09% 0.053 250.7)
XYZ	xyz(1.5161, 1.5856, 4.2283)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C233A #3A230C

analogous

#0C3A3A #0C233A #0C0C3A

triadic

#0C233A #3A0C23 #233A0C

tetradic

#0C233A #3A0C3A #3A230C #0C3A0C

square

#0C233A #3A0C3A #3A230C #0C3A0C

split-complementary

#0C233A #3A0C0C #3A3A0C

monochromatic

#050F19 #050F19 #0C233A #16426D #21609F

Accessibility & contrast

On white

15.94

#0C233A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0C233A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C233A

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C233A	#FFFFFF	#000000	##FFFFFF
##0C233A	1.00	15.94	1.32	15.94
#FFFFFF	15.94	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19243B

Deuteranopia (green-blind)

#12203A

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0c233a;
/* rgb */ color: rgb(12, 35, 58);
/* oklch */ color: oklch(25.1% 0.053 250.7);

Tailwind

colors: {
  custom: {
    50: '#515d70',
    500: '#0c233a',
    950: '#000000',
  },
}

SCSS

$custom: #0c233a;
$custom-light: #515d70;
$custom-dark: #000000;

JSON

{
  "hex": "#0c233a",
  "rgb": {
    "r": 12,
    "g": 35,
    "b": 58
  },
  "hsl": {
    "h": 210,
    "s": 65.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.25093,
    "c": 0.05254,
    "h": 250.7
  },
  "luminance": 0.01586
}

Semantic roles & 50–950 ramp

primary

#0C233A

secondary

#76512C

accent

#943FE9

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0C233A

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

Preview Lab → · Contrast checker → · Palette generator →