#0D2858#0D2858

#0D2858 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.093 H 260.9°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#0D2858
RGB	rgb(13, 40, 88)
HSL	hsl(218, 74%, 20%)
HSV	hsv(218, 85%, 35%)
CMYK	cmyk(85.2%, 54.5%, 0%, 65.5%)
CIE-LAB	lab(17.02, 9.94, -31.87)
CIE-LCH	lch(17.02, 33.39, 287.33°)
OKLab	oklab(28.8% -0.0147 -0.0917)
OKLCH	oklch(28.8% 0.093 260.9)
XYZ	xyz(2.6856, 2.3074, 9.5345)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2858 #583D0D

analogous

#0D4E58 #0D2858 #180D58

triadic

#0D2858 #580D28 #28580D

tetradic

#0D2858 #580D4E #583D0D #0D5818

square

#0D2858 #580D4E #583D0D #0D5818

split-complementary

#0D2858 #58180D #4E580D

monochromatic

#040C1B #051023 #0D2858 #15408D #1D58C3

Accessibility & contrast

On white

14.37

#0D2858 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0D2858 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2858

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2858	#FFFFFF	#000000	##FFFFFF
##0D2858	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2E5A

Deuteranopia (green-blind)

#002757

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0d2858;
/* rgb */ color: rgb(13, 40, 88);
/* oklch */ color: oklch(28.8% 0.093 260.9);

Tailwind

colors: {
  custom: {
    50: '#5a6187',
    500: '#0d2858',
    950: '#000000',
  },
}

SCSS

$custom: #0d2858;
$custom-light: #5a6187;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2858",
  "rgb": {
    "r": 13,
    "g": 40,
    "b": 88
  },
  "hsl": {
    "h": 218.4,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.28799,
    "c": 0.09291,
    "h": 260.9
  },
  "luminance": 0.02308
}

Semantic roles & 50–950 ramp

primary

#0D2858

secondary

#936E2E

accent

#AE37F1

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0D2858

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

Preview Lab → · Contrast checker → · Palette generator →