#0D2558#0D2558

#0D2558 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.097 H 262.8°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#0D2558
RGB	rgb(13, 37, 88)
HSL	hsl(221, 74%, 20%)
HSV	hsv(221, 85%, 35%)
CMYK	cmyk(85.2%, 58%, 0%, 65.5%)
CIE-LAB	lab(16.07, 12.20, -33.42)
CIE-LCH	lch(16.07, 35.58, 290.05°)
OKLab	oklab(28.07% -0.0122 -0.0963)
OKLCH	oklch(28.07% 0.097 262.8)
XYZ	xyz(2.5884, 2.1130, 9.5021)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2558 #58400D

analogous

#0D4B58 #0D2558 #1B0D58

triadic

#0D2558 #580D25 #25580D

tetradic

#0D2558 #580D4B #58400D #0D581B

square

#0D2558 #580D4B #58400D #0D581B

split-complementary

#0D2558 #581B0D #4B580D

monochromatic

#040B1B #050F23 #0D2558 #153B8D #1D52C3

Accessibility & contrast

On white

14.76

#0D2558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0D2558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2558

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2558	#FFFFFF	#000000	##FFFFFF
##0D2558	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5A

Deuteranopia (green-blind)

#002557

Tritanopia (blue-blind)

#00323A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0d2558;
/* rgb */ color: rgb(13, 37, 88);
/* oklch */ color: oklch(28.1% 0.097 262.8);

Tailwind

colors: {
  custom: {
    50: '#5a5e88',
    500: '#0d2558',
    950: '#000000',
  },
}

SCSS

$custom: #0d2558;
$custom-light: #5a5e88;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2558",
  "rgb": {
    "r": 13,
    "g": 37,
    "b": 88
  },
  "hsl": {
    "h": 220.8,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.28072,
    "c": 0.09711,
    "h": 262.8
  },
  "luminance": 0.02113
}

Semantic roles & 50–950 ramp

primary

#0D2558

secondary

#93722E

accent

#B537F1

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040B

muted

#79797C

Preview Lab

Preview with #0D2558

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

Preview Lab → · Contrast checker → · Palette generator →