#1B0129#1B0129

#1B0129 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.2% C 0.082 H 311.2°. Best body text is #FFFFFF at 19.39:1 contrast (WCAG AA passes).

Color values

HEX	#1B0129
RGB	rgb(27, 1, 41)
HSL	hsl(279, 95%, 8%)
HSV	hsv(279, 98%, 16%)
CMYK	cmyk(34.1%, 97.6%, 0%, 83.9%)
CIE-LAB	lab(3.75, 19.19, -19.86)
CIE-LCH	lch(3.75, 27.62, 314.02°)
OKLab	oklab(17.18% 0.0542 -0.0618)
OKLCH	oklch(17.18% 0.082 311.2)
XYZ	xyz(0.8630, 0.4148, 2.1320)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0129 #0F2901

analogous

#070129 #1B0129 #290123

triadic

#1B0129 #291B01 #01291B

tetradic

#1B0129 #290701 #0F2901 #012329

square

#1B0129 #290701 #0F2901 #012329

split-complementary

#1B0129 #232901 #012907

monochromatic

#14011E #14011E #1B0129 #420265 #6A04A0

Accessibility & contrast

On white

19.39

#1B0129 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#1B0129 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0129

19.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0129	#FFFFFF	#000000	##FFFFFF
##1B0129	1.00	19.39	1.08	19.39
#FFFFFF	19.39	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2A

Deuteranopia (green-blind)

#000E28

Tritanopia (blue-blind)

#190914

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #1b0129;
/* rgb */ color: rgb(27, 1, 41);
/* oklch */ color: oklch(17.2% 0.082 311.2);

Tailwind

colors: {
  custom: {
    50: '#584663',
    500: '#1b0129',
    950: '#000000',
  },
}

SCSS

$custom: #1b0129;
$custom-light: #584663;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0129",
  "rgb": {
    "r": 27,
    "g": 1,
    "b": 41
  },
  "hsl": {
    "h": 279,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.17175,
    "c": 0.08224,
    "h": 311.2
  },
  "luminance": 0.00415
}

Semantic roles & 50–950 ramp

primary

#1B0129

secondary

#366F16

accent

#FF2974

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#030005

muted

#787779

Preview Lab

Preview with #1B0129

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

Preview Lab → · Contrast checker → · Palette generator →