#0C173C#0C173C

#0C173C is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.073 H 267.6°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#0C173C
RGB	rgb(12, 23, 60)
HSL	hsl(226, 67%, 14%)
HSV	hsv(226, 80%, 24%)
CMYK	cmyk(80%, 61.7%, 0%, 76.5%)
CIE-LAB	lab(9.13, 10.42, -25.32)
CIE-LCH	lch(9.13, 27.38, 292.37°)
OKLab	oklab(22.05% -0.0031 -0.0728)
OKLCH	oklch(22.05% 0.073 267.6)
XYZ	xyz(1.2733, 1.0171, 4.4033)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C173C #3C310C

analogous

#0C2F3C #0C173C #190C3C

triadic

#0C173C #3C0C17 #173C0C

tetradic

#0C173C #3C0C2F #3C310C #0C3C19

square

#0C173C #3C0C2F #3C310C #0C3C19

split-complementary

#0C173C #3C190C #2F3C0C

monochromatic

#050A1A #050A1A #0C173C #162B6F #203EA2

Accessibility & contrast

On white

17.45

#0C173C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0C173C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C173C

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C173C	#FFFFFF	#000000	##FFFFFF
##0C173C	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011C3D

Deuteranopia (green-blind)

#00183B

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0c173c;
/* rgb */ color: rgb(12, 23, 60);
/* oklch */ color: oklch(22.1% 0.073 267.6);

Tailwind

colors: {
  custom: {
    50: '#525372',
    500: '#0c173c',
    950: '#000000',
  },
}

SCSS

$custom: #0c173c;
$custom-light: #525372;
$custom-dark: #000000;

JSON

{
  "hex": "#0c173c",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 60
  },
  "hsl": {
    "h": 226.25,
    "s": 66.667,
    "l": 14.118
  },
  "oklch": {
    "l": 0.22051,
    "c": 0.07289,
    "h": 267.6
  },
  "luminance": 0.01017
}

Semantic roles & 50–950 ramp

primary

#0C173C

secondary

#78672C

accent

#C23EEA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0C173C

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

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