#1D022B#1D022B

#1D022B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.0% C 0.083 H 311.5°. Best body text is #FFFFFF at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D022B
RGB	rgb(29, 2, 43)
HSL	hsl(280, 91%, 9%)
HSV	hsv(280, 95%, 17%)
CMYK	cmyk(32.6%, 95.3%, 0%, 83.1%)
CIE-LAB	lab(4.33, 20.63, -20.45)
CIE-LCH	lch(4.33, 29.05, 315.24°)
OKLab	oklab(17.95% 0.0547 -0.0618)
OKLCH	oklch(17.95% 0.083 311.5)
XYZ	xyz(0.9644, 0.4791, 2.3267)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D022B #102B02

analogous

#09022B #1D022B #2B0225

triadic

#1D022B #2B1D02 #022B1D

tetradic

#1D022B #2B0902 #102B02 #02252B

square

#1D022B #2B0902 #102B02 #02252B

split-complementary

#1D022B #252B02 #022B09

monochromatic

#14011D #14011D #1D022B #440565 #6C07A0

Accessibility & contrast

On white

19.16

#1D022B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1D022B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D022B

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D022B	#FFFFFF	#000000	##FFFFFF
##1D022B	1.00	19.16	1.10	19.16
#FFFFFF	19.16	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#1B0A16

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1d022b;
/* rgb */ color: rgb(29, 2, 43);
/* oklch */ color: oklch(18.0% 0.083 311.5);

Tailwind

colors: {
  custom: {
    50: '#5a4764',
    500: '#1d022b',
    950: '#000000',
  },
}

SCSS

$custom: #1d022b;
$custom-light: #5a4764;
$custom-dark: #000000;

JSON

{
  "hex": "#1d022b",
  "rgb": {
    "r": 29,
    "g": 2,
    "b": 43
  },
  "hsl": {
    "h": 279.512,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17953,
    "c": 0.08256,
    "h": 311.5
  },
  "luminance": 0.00479
}

Semantic roles & 50–950 ramp

primary

#1D022B

secondary

#377019

accent

#FF2972

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1D022B

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

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