#1D1889#1D1889

#1D1889 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.175 H 272.2°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D1889
RGB	rgb(29, 24, 137)
HSL	hsl(243, 70%, 32%)
HSV	hsv(243, 82%, 54%)
CMYK	cmyk(78.8%, 82.5%, 0%, 46.3%)
CIE-LAB	lab(18.89, 41.22, -60.51)
CIE-LCH	lch(18.89, 73.21, 304.26°)
OKLab	oklab(31.88% 0.0068 -0.1751)
OKLCH	oklch(31.88% 0.175 272.2)
XYZ	xyz(5.3472, 2.7200, 23.9053)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1889 #848918

analogous

#184C89 #1D1889 #561889

triadic

#1D1889 #891D18 #18891D

tetradic

#1D1889 #89184C #848918 #188956

square

#1D1889 #89184C #848918 #188956

split-complementary

#1D1889 #895618 #4C8918

monochromatic

#070621 #120F55 #1D1889 #2821BD #453EDD

Accessibility & contrast

On white

13.60

#1D1889 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D1889 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1889

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1889	#FFFFFF	#000000	##FFFFFF
##1D1889	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338C

Deuteranopia (green-blind)

#002887

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d1889;
/* rgb */ color: rgb(29, 24, 137);
/* oklch */ color: oklch(31.9% 0.175 272.2);

Tailwind

colors: {
  custom: {
    50: '#6e58ad',
    500: '#1d1889',
    950: '#000000',
  },
}

SCSS

$custom: #1d1889;
$custom-light: #6e58ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1889",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 137
  },
  "hsl": {
    "h": 242.655,
    "s": 70.186,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31878,
    "c": 0.17523,
    "h": 272.2
  },
  "luminance": 0.02721
}

Semantic roles & 50–950 ramp

primary

#1D1889

secondary

#B7BD40

accent

#ED3BE5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #1D1889

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

Preview Lab → · Contrast checker → · Palette generator →