#0D2551#0D2551

#0D2551 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.5% C 0.086 H 261.3°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#0D2551
RGB	rgb(13, 37, 81)
HSL	hsl(219, 72%, 18%)
HSV	hsv(219, 84%, 32%)
CMYK	cmyk(84%, 54.3%, 0%, 68.2%)
CIE-LAB	lab(15.50, 9.10, -29.62)
CIE-LCH	lch(15.50, 30.99, 287.08°)
OKLab	oklab(27.46% -0.0131 -0.0852)
OKLCH	oklch(27.46% 0.086 261.3)
XYZ	xyz(2.3122, 2.0025, 8.0476)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2551 #51390D

analogous

#0D4751 #0D2551 #170D51

triadic

#0D2551 #510D25 #25510D

tetradic

#0D2551 #510D47 #51390D #0D5117

square

#0D2551 #510D47 #51390D #0D5117

split-complementary

#0D2551 #51170D #47510D

monochromatic

#040C1A #050D1C #0D2551 #153D86 #1E55BA

Accessibility & contrast

On white

14.99

#0D2551 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#0D2551 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2551

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2551	#FFFFFF	#000000	##FFFFFF
##0D2551	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2A53

Deuteranopia (green-blind)

#002450

Tritanopia (blue-blind)

#003037

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0d2551;
/* rgb */ color: rgb(13, 37, 81);
/* oklch */ color: oklch(27.5% 0.086 261.3);

Tailwind

colors: {
  custom: {
    50: '#585f82',
    500: '#0d2551',
    950: '#000000',
  },
}

SCSS

$custom: #0d2551;
$custom-light: #585f82;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2551",
  "rgb": {
    "r": 13,
    "g": 37,
    "b": 81
  },
  "hsl": {
    "h": 218.824,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.27458,
    "c": 0.08618,
    "h": 261.3
  },
  "luminance": 0.02003
}

Semantic roles & 50–950 ramp

primary

#0D2551

secondary

#8C6B2E

accent

#AF39EF

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040A

muted

#79797C

Preview Lab

Preview with #0D2551

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

Preview Lab → · Contrast checker → · Palette generator →