#1D208B#1D208B

#1D208B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.170 H 271.2°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D208B
RGB	rgb(29, 32, 139)
HSL	hsl(238, 65%, 33%)
HSV	hsv(238, 79%, 55%)
CMYK	cmyk(79.1%, 77%, 0%, 45.5%)
CIE-LAB	lab(20.66, 37.47, -58.81)
CIE-LCH	lch(20.66, 69.73, 302.50°)
OKLab	oklab(33.2% 0.0035 -0.1703)
OKLCH	oklch(33.2% 0.17 271.2)
XYZ	xyz(5.6818, 3.1577, 24.7311)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D208B #8B881D

analogous

#1D578B #1D208B #511D8B

triadic

#1D208B #8B1D20 #208B1D

tetradic

#1D208B #8B1D57 #8B881D #1D8B51

square

#1D208B #8B1D57 #8B881D #1D8B51

split-complementary

#1D208B #8B511D #578B1D

monochromatic

#080926 #121458 #1D208B #282CBE #494DD9

Accessibility & contrast

On white

12.87

#1D208B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D208B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D208B

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D208B	#FFFFFF	#000000	##FFFFFF
##1D208B	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002C89

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d208b;
/* rgb */ color: rgb(29, 32, 139);
/* oklch */ color: oklch(33.2% 0.170 271.2);

Tailwind

colors: {
  custom: {
    50: '#6e5dae',
    500: '#1d208b',
    950: '#000000',
  },
}

SCSS

$custom: #1d208b;
$custom-light: #6e5dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d208b",
  "rgb": {
    "r": 29,
    "g": 32,
    "b": 139
  },
  "hsl": {
    "h": 238.364,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33196,
    "c": 0.17033,
    "h": 271.2
  },
  "luminance": 0.03158
}

Semantic roles & 50–950 ramp

primary

#1D208B

secondary

#BBB849

accent

#E43FE8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D208B

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

Preview Lab → · Contrast checker → · Palette generator →