#0C173E#0C173E

#0C173E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.076 H 267.8°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#0C173E
RGB	rgb(12, 23, 62)
HSL	hsl(227, 68%, 15%)
HSV	hsv(227, 81%, 24%)
CMYK	cmyk(80.6%, 62.9%, 0%, 75.7%)
CIE-LAB	lab(9.31, 11.31, -26.46)
CIE-LCH	lch(9.31, 28.77, 293.15°)
OKLab	oklab(22.24% -0.0029 -0.0762)
OKLCH	oklch(22.24% 0.076 267.8)
XYZ	xyz(1.3272, 1.0386, 4.6870)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C173E #3E330C

analogous

#0C303E #0C173E #1A0C3E

triadic

#0C173E #3E0C17 #173E0C

tetradic

#0C173E #3E0C30 #3E330C #0C3E1A

square

#0C173E #3E0C30 #3E330C #0C3E1A

split-complementary

#0C173E #3E1A0C #303E0C

monochromatic

#050A1A #050A1A #0C173E #162A71 #203DA5

Accessibility & contrast

On white

17.39

#0C173E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0C173E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C173E

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C173E	#FFFFFF	#000000	##FFFFFF
##0C173E	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C3F

Deuteranopia (green-blind)

#00183D

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0c173e;
/* rgb */ color: rgb(12, 23, 62);
/* oklch */ color: oklch(22.2% 0.076 267.8);

Tailwind

colors: {
  custom: {
    50: '#535374',
    500: '#0c173e',
    950: '#000000',
  },
}

SCSS

$custom: #0c173e;
$custom-light: #535374;
$custom-dark: #000000;

JSON

{
  "hex": "#0c173e",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 62
  },
  "hsl": {
    "h": 226.8,
    "s": 67.568,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22239,
    "c": 0.07623,
    "h": 267.8
  },
  "luminance": 0.01039
}

Semantic roles & 50–950 ramp

primary

#0C173E

secondary

#7A692C

accent

#C43DEA

background

#F4F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0C173E

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

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