#1D2289#1D2289

#1D2289 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.166 H 271.0°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D2289
RGB	rgb(29, 34, 137)
HSL	hsl(237, 65%, 33%)
HSV	hsv(237, 79%, 54%)
CMYK	cmyk(78.8%, 75.2%, 0%, 46.3%)
CIE-LAB	lab(20.87, 35.55, -57.22)
CIE-LCH	lch(20.87, 67.37, 301.85°)
OKLab	oklab(33.28% 0.003 -0.1657)
OKLCH	oklch(33.28% 0.166 271)
XYZ	xyz(5.5925, 3.2108, 23.9871)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2289 #89841D

analogous

#1D5889 #1D2289 #4E1D89

triadic

#1D2289 #891D22 #22891D

tetradic

#1D2289 #891D58 #89841D #1D894E

square

#1D2289 #891D58 #89841D #1D894E

split-complementary

#1D2289 #894E1D #58891D

monochromatic

#080924 #121556 #1D2289 #282FBC #484FD8

Accessibility & contrast

On white

12.79

#1D2289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1D2289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2289

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2289	#FFFFFF	#000000	##FFFFFF
##1D2289	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378C

Deuteranopia (green-blind)

#002D87

Tritanopia (blue-blind)

#004053

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2289;
/* rgb */ color: rgb(29, 34, 137);
/* oklch */ color: oklch(33.3% 0.166 271.0);

Tailwind

colors: {
  custom: {
    50: '#6d5ead',
    500: '#1d2289',
    950: '#000000',
  },
}

SCSS

$custom: #1d2289;
$custom-light: #6d5ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2289",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 137
  },
  "hsl": {
    "h": 237.222,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33275,
    "c": 0.16572,
    "h": 271
  },
  "luminance": 0.03211
}

Semantic roles & 50–950 ramp

primary

#1D2289

secondary

#BAB547

accent

#E040E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D2289

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

Preview Lab → · Contrast checker → · Palette generator →