#0D2B5B#0D2B5B

#0D2B5B is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.8% C 0.093 H 259.6°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#0D2B5B
RGB	rgb(13, 43, 91)
HSL	hsl(217, 75%, 20%)
HSV	hsv(217, 86%, 36%)
CMYK	cmyk(85.7%, 52.7%, 0%, 64.3%)
CIE-LAB	lab(18.22, 9.03, -31.94)
CIE-LCH	lch(18.22, 33.19, 285.79°)
OKLab	oklab(29.79% -0.0168 -0.0918)
OKLCH	oklch(29.79% 0.093 259.6)
XYZ	xyz(2.9175, 2.5683, 10.2375)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2B5B #5B3D0D

analogous

#0D525B #0D2B5B #160D5B

triadic

#0D2B5B #5B0D2B #2B5B0D

tetradic

#0D2B5B #5B0D52 #5B3D0D #0D5B16

square

#0D2B5B #5B0D52 #5B3D0D #0D5B16

split-complementary

#0D2B5B #5B160D #525B0D

monochromatic

#040D1B #051225 #0D2B5B #154491 #1C5EC6

Accessibility & contrast

On white

13.87

#0D2B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0D2B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2B5B

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2B5B	#FFFFFF	#000000	##FFFFFF
##0D2B5B	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F305D

Deuteranopia (green-blind)

#00295A

Tritanopia (blue-blind)

#00373E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0d2b5b;
/* rgb */ color: rgb(13, 43, 91);
/* oklch */ color: oklch(29.8% 0.093 259.6);

Tailwind

colors: {
  custom: {
    50: '#5a638a',
    500: '#0d2b5b',
    950: '#000000',
  },
}

SCSS

$custom: #0d2b5b;
$custom-light: #5a638a;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2b5b",
  "rgb": {
    "r": 13,
    "g": 43,
    "b": 91
  },
  "hsl": {
    "h": 216.923,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29793,
    "c": 0.09338,
    "h": 259.6
  },
  "luminance": 0.02569
}

Semantic roles & 50–950 ramp

primary

#0D2B5B

secondary

#956E2F

accent

#AA36F2

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #0D2B5B

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

Preview Lab → · Contrast checker → · Palette generator →