#0D2559#0D2559

#0D2559 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.099 H 263.0°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#0D2559
RGB	rgb(13, 37, 89)
HSL	hsl(221, 75%, 20%)
HSV	hsv(221, 85%, 35%)
CMYK	cmyk(85.4%, 58.4%, 0%, 65.1%)
CIE-LAB	lab(16.15, 12.64, -33.95)
CIE-LCH	lch(16.15, 36.23, 290.42°)
OKLab	oklab(28.16% -0.0121 -0.0979)
OKLCH	oklch(28.16% 0.099 263)
XYZ	xyz(2.6301, 2.1297, 9.7217)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2559 #59410D

analogous

#0D4B59 #0D2559 #1B0D59

triadic

#0D2559 #590D25 #25590D

tetradic

#0D2559 #590D4B #59410D #0D591B

square

#0D2559 #590D4B #59410D #0D591B

split-complementary

#0D2559 #591B0D #4B590D

monochromatic

#040B1B #050F24 #0D2559 #153B8E #1D51C4

Accessibility & contrast

On white

14.73

#0D2559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0D2559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2559

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2559	#FFFFFF	#000000	##FFFFFF
##0D2559	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5B

Deuteranopia (green-blind)

#002558

Tritanopia (blue-blind)

#00323B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0d2559;
/* rgb */ color: rgb(13, 37, 89);
/* oklch */ color: oklch(28.2% 0.099 263.0);

Tailwind

colors: {
  custom: {
    50: '#5a5e88',
    500: '#0d2559',
    950: '#000000',
  },
}

SCSS

$custom: #0d2559;
$custom-light: #5a5e88;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2559",
  "rgb": {
    "r": 13,
    "g": 37,
    "b": 89
  },
  "hsl": {
    "h": 221.053,
    "s": 74.51,
    "l": 20
  },
  "oklch": {
    "l": 0.28162,
    "c": 0.09866,
    "h": 263
  },
  "luminance": 0.0213
}

Semantic roles & 50–950 ramp

primary

#0D2559

secondary

#93742E

accent

#B637F1

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040B

muted

#79797C

Preview Lab

Preview with #0D2559

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

Preview Lab → · Contrast checker → · Palette generator →