#1D1B89#1D1B89

#1D1B89 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.173 H 271.9°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D1B89
RGB	rgb(29, 27, 137)
HSL	hsl(241, 67%, 32%)
HSV	hsv(241, 80%, 54%)
CMYK	cmyk(78.8%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(19.44, 39.63, -59.59)
CIE-LCH	lch(19.44, 71.57, 303.62°)
OKLab	oklab(32.26% 0.0058 -0.1725)
OKLCH	oklch(32.26% 0.173 271.9)
XYZ	xyz(5.4125, 2.8506, 23.9270)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1B89 #87891B

analogous

#1B5089 #1D1B89 #541B89

triadic

#1D1B89 #891D1B #1B891D

tetradic

#1D1B89 #891B50 #87891B #1B8954

square

#1D1B89 #891B50 #87891B #1B8954

split-complementary

#1D1B89 #89541B #50891B

monochromatic

#070723 #121156 #1D1B89 #2825BC #4744DA

Accessibility & contrast

On white

13.37

#1D1B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1D1B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1B89

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1B89	#FFFFFF	#000000	##FFFFFF
##1D1B89	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348C

Deuteranopia (green-blind)

#002A87

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d1b89;
/* rgb */ color: rgb(29, 27, 137);
/* oklch */ color: oklch(32.3% 0.173 271.9);

Tailwind

colors: {
  custom: {
    50: '#6e5aad',
    500: '#1d1b89',
    950: '#000000',
  },
}

SCSS

$custom: #1d1b89;
$custom-light: #6e5aad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1b89",
  "rgb": {
    "r": 29,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 241.091,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32261,
    "c": 0.1726,
    "h": 271.9
  },
  "luminance": 0.02851
}

Semantic roles & 50–950 ramp

primary

#1D1B89

secondary

#B9BC44

accent

#EA3EE7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1B89

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

Preview Lab → · Contrast checker → · Palette generator →