#0C1F53#0C1F53

#0C1F53 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.098 H 265.0°. Best body text is #FFFFFF at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#0C1F53
RGB	rgb(12, 31, 83)
HSL	hsl(224, 75%, 19%)
HSV	hsv(224, 86%, 33%)
CMYK	cmyk(85.5%, 62.7%, 0%, 67.5%)
CIE-LAB	lab(13.72, 14.43, -33.86)
CIE-LCH	lch(13.72, 36.81, 293.08°)
OKLab	oklab(26.15% -0.0086 -0.0978)
OKLCH	oklch(26.15% 0.098 265)
XYZ	xyz(2.2024, 1.6824, 8.3906)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1F53 #53400C

analogous

#0C4253 #0C1F53 #1C0C53

triadic

#0C1F53 #530C1F #1F530C

tetradic

#0C1F53 #530C42 #53400C #0C531C

square

#0C1F53 #530C42 #53400C #0C531C

split-complementary

#0C1F53 #531C0C #42530C

monochromatic

#040A1B #040B1E #0C1F53 #143388 #1B47BE

Accessibility & contrast

On white

15.71

#0C1F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0C1F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1F53

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1F53	#FFFFFF	#000000	##FFFFFF
##0C1F53	1.00	15.71	1.34	15.71
#FFFFFF	15.71	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002655

Deuteranopia (green-blind)

#002052

Tritanopia (blue-blind)

#002C35

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0c1f53;
/* rgb */ color: rgb(12, 31, 83);
/* oklch */ color: oklch(26.2% 0.098 265.0);

Tailwind

colors: {
  custom: {
    50: '#585a84',
    500: '#0c1f53',
    950: '#000000',
  },
}

SCSS

$custom: #0c1f53;
$custom-light: #585a84;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1f53",
  "rgb": {
    "r": 12,
    "g": 31,
    "b": 83
  },
  "hsl": {
    "h": 223.944,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.26153,
    "c": 0.09817,
    "h": 265
  },
  "luminance": 0.01683
}

Semantic roles & 50–950 ramp

primary

#0C1F53

secondary

#8E742D

accent

#BF36F1

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0C1F53

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

Preview Lab → · Contrast checker → · Palette generator →