#1B0029#1B0029

#1B0029 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.9% C 0.085 H 311.7°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B0029
RGB	rgb(27, 0, 41)
HSL	hsl(280, 100%, 8%)
HSV	hsv(280, 100%, 16%)
CMYK	cmyk(34.1%, 100%, 0%, 83.9%)
CIE-LAB	lab(3.55, 19.60, -20.17)
CIE-LCH	lch(3.55, 28.12, 314.19°)
OKLab	oklab(16.95% 0.0565 -0.0634)
OKLCH	oklch(16.95% 0.085 311.7)
XYZ	xyz(0.8522, 0.3931, 2.1284)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0029 #0E2900

analogous

#060029 #1B0029 #290022

triadic

#1B0029 #291B00 #00291B

tetradic

#1B0029 #290600 #0E2900 #002229

square

#1B0029 #290600 #0E2900 #002229

split-complementary

#1B0029 #222900 #002906

monochromatic

#14001F #14001F #1B0029 #430066 #6C00A3

Accessibility & contrast

On white

19.47

#1B0029 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#1B0029 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0029

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0029	#FFFFFF	#000000	##FFFFFF
##1B0029	1.00	19.47	1.08	19.47
#FFFFFF	19.47	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B2A

Deuteranopia (green-blind)

#000D28

Tritanopia (blue-blind)

#190814

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #1b0029;
/* rgb */ color: rgb(27, 0, 41);
/* oklch */ color: oklch(16.9% 0.085 311.7);

Tailwind

colors: {
  custom: {
    50: '#584663',
    500: '#1b0029',
    950: '#000000',
  },
}

SCSS

$custom: #1b0029;
$custom-light: #584663;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0029",
  "rgb": {
    "r": 27,
    "g": 0,
    "b": 41
  },
  "hsl": {
    "h": 279.512,
    "s": 100,
    "l": 8.039
  },
  "oklch": {
    "l": 0.16947,
    "c": 0.08493,
    "h": 311.7
  },
  "luminance": 0.00393
}

Semantic roles & 50–950 ramp

primary

#1B0029

secondary

#347114

accent

#FF2972

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#030005

muted

#787779

Preview Lab

Preview with #1B0029

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

Preview Lab → · Contrast checker → · Palette generator →