#1D1D8A#1D1D8A

#1D1D8A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.172 H 271.6°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D1D8A
RGB	rgb(29, 29, 138)
HSL	hsl(240, 65%, 33%)
HSV	hsv(240, 79%, 54%)
CMYK	cmyk(79%, 79%, 0%, 45.9%)
CIE-LAB	lab(19.94, 38.85, -59.38)
CIE-LCH	lch(19.94, 70.97, 303.19°)
OKLab	oklab(32.65% 0.0049 -0.1719)
OKLCH	oklch(32.65% 0.172 271.6)
XYZ	xyz(5.5320, 2.9743, 24.3224)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1D8A #8A8A1D

analogous

#1D538A #1D1D8A #531D8A

triadic

#1D1D8A #8A1D1D #1D8A1D

tetradic

#1D1D8A #8A1D53 #8A8A1D #1D8A53

square

#1D1D8A #8A1D53 #8A8A1D #1D8A53

split-complementary

#1D1D8A #8A531D #538A1D

monochromatic

#080825 #121257 #1D1D8A #2828BD #4949D9

Accessibility & contrast

On white

13.17

#1D1D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D1D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1D8A

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1D8A	#FFFFFF	#000000	##FFFFFF
##1D1D8A	1.00	13.17	1.60	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002B88

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d1d8a;
/* rgb */ color: rgb(29, 29, 138);
/* oklch */ color: oklch(32.7% 0.172 271.6);

Tailwind

colors: {
  custom: {
    50: '#6e5bad',
    500: '#1d1d8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d1d8a;
$custom-light: #6e5bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1d8a",
  "rgb": {
    "r": 29,
    "g": 29,
    "b": 138
  },
  "hsl": {
    "h": 240,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32651,
    "c": 0.17199,
    "h": 271.6
  },
  "luminance": 0.02975
}

Semantic roles & 50–950 ramp

primary

#1D1D8A

secondary

#BBBB48

accent

#E840E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1D8A

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

Preview Lab → · Contrast checker → · Palette generator →