#0D2857#0D2857

#0D2857 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.7% C 0.091 H 260.6°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#0D2857
RGB	rgb(13, 40, 87)
HSL	hsl(218, 74%, 20%)
HSV	hsv(218, 85%, 34%)
CMYK	cmyk(85.1%, 54%, 0%, 65.9%)
CIE-LAB	lab(16.95, 9.50, -31.33)
CIE-LCH	lch(16.95, 32.74, 286.87°)
OKLab	oklab(28.71% -0.0149 -0.0901)
OKLCH	oklch(28.71% 0.091 260.6)
XYZ	xyz(2.6444, 2.2910, 9.3178)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2857 #573C0D

analogous

#0D4D57 #0D2857 #170D57

triadic

#0D2857 #570D28 #28570D

tetradic

#0D2857 #570D4D #573C0D #0D5717

square

#0D2857 #570D4D #573C0D #0D5717

split-complementary

#0D2857 #57170D #4D570D

monochromatic

#040C1B #051022 #0D2857 #15408C #1D59C1

Accessibility & contrast

On white

14.40

#0D2857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0D2857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2857

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2857	#FFFFFF	#000000	##FFFFFF
##0D2857	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2D59

Deuteranopia (green-blind)

#002756

Tritanopia (blue-blind)

#00333B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0d2857;
/* rgb */ color: rgb(13, 40, 87);
/* oklch */ color: oklch(28.7% 0.091 260.6);

Tailwind

colors: {
  custom: {
    50: '#596187',
    500: '#0d2857',
    950: '#000000',
  },
}

SCSS

$custom: #0d2857;
$custom-light: #596187;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2857",
  "rgb": {
    "r": 13,
    "g": 40,
    "b": 87
  },
  "hsl": {
    "h": 218.108,
    "s": 74,
    "l": 19.608
  },
  "oklch": {
    "l": 0.28714,
    "c": 0.09136,
    "h": 260.6
  },
  "luminance": 0.02291
}

Semantic roles & 50–950 ramp

primary

#0D2857

secondary

#926D2E

accent

#AD37F1

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0D2857

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

Preview Lab → · Contrast checker → · Palette generator →