#1D1582#1D1582

#1D1582 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.7% C 0.169 H 273.2°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D1582
RGB	rgb(29, 21, 130)
HSL	hsl(244, 72%, 30%)
HSV	hsv(244, 84%, 51%)
CMYK	cmyk(77.7%, 83.8%, 0%, 49%)
CIE-LAB	lab(17.50, 40.45, -58.39)
CIE-LCH	lch(17.50, 71.03, 304.71°)
OKLab	oklab(30.67% 0.0096 -0.1689)
OKLCH	oklch(30.67% 0.169 273.2)
XYZ	xyz(4.8028, 2.4087, 21.3266)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1582 #7A8215

analogous

#154382 #1D1582 #541582

triadic

#1D1582 #821D15 #15821D

tetradic

#1D1582 #821543 #7A8215 #158254

square

#1D1582 #821543 #7A8215 #158254

split-complementary

#1D1582 #825415 #438215

monochromatic

#06041A #110C4D #1D1582 #291EB7 #4033DE

Accessibility & contrast

On white

14.17

#1D1582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1D1582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1582

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1582	#FFFFFF	#000000	##FFFFFF
##1D1582	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003085

Deuteranopia (green-blind)

#002680

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1d1582;
/* rgb */ color: rgb(29, 21, 130);
/* oklch */ color: oklch(30.7% 0.169 273.2);

Tailwind

colors: {
  custom: {
    50: '#6c56a8',
    500: '#1d1582',
    950: '#000000',
  },
}

SCSS

$custom: #1d1582;
$custom-light: #6c56a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1582",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 130
  },
  "hsl": {
    "h": 244.404,
    "s": 72.185,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30665,
    "c": 0.16918,
    "h": 273.2
  },
  "luminance": 0.02409
}

Semantic roles & 50–950 ramp

primary

#1D1582

secondary

#AEB73C

accent

#EF39E2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1582

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

Preview Lab → · Contrast checker → · Palette generator →