#0C153B#0C153B

#0C153B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.074 H 269.2°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#0C153B
RGB	rgb(12, 21, 59)
HSL	hsl(229, 66%, 14%)
HSV	hsv(229, 80%, 23%)
CMYK	cmyk(79.7%, 64.4%, 0%, 76.9%)
CIE-LAB	lab(8.39, 11.56, -25.80)
CIE-LCH	lch(8.39, 28.27, 294.14°)
OKLab	oklab(21.47% -0.0011 -0.0743)
OKLCH	oklch(21.47% 0.074 269.2)
XYZ	xyz(1.2089, 0.9301, 4.2526)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C153B #3B320C

analogous

#0C2D3B #0C153B #1B0C3B

triadic

#0C153B #3B0C15 #153B0C

tetradic

#0C153B #3B0C2D #3B320C #0C3B1B

square

#0C153B #3B0C2D #3B320C #0C3B1B

split-complementary

#0C153B #3B1B0C #2D3B0C

monochromatic

#050919 #050919 #0C153B #16276E #2139A1

Accessibility & contrast

On white

17.71

#0C153B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0C153B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C153B

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C153B	#FFFFFF	#000000	##FFFFFF
##0C153B	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#00163A

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0c153b;
/* rgb */ color: rgb(12, 21, 59);
/* oklch */ color: oklch(21.5% 0.074 269.2);

Tailwind

colors: {
  custom: {
    50: '#525171',
    500: '#0c153b',
    950: '#000000',
  },
}

SCSS

$custom: #0c153b;
$custom-light: #525171;
$custom-dark: #000000;

JSON

{
  "hex": "#0c153b",
  "rgb": {
    "r": 12,
    "g": 21,
    "b": 59
  },
  "hsl": {
    "h": 228.511,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.21468,
    "c": 0.07427,
    "h": 269.2
  },
  "luminance": 0.0093
}

Semantic roles & 50–950 ramp

primary

#0C153B

secondary

#77692C

accent

#C83FE9

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #0C153B

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

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