#1B0027#1B0027

#1B0027 is a very dark, moderate purple. Relative luminance 0.004; OKLCH L 16.7% C 0.083 H 313.8°. Best body text is #FFFFFF at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#1B0027
RGB	rgb(27, 0, 39)
HSL	hsl(282, 100%, 8%)
HSV	hsv(282, 100%, 15%)
CMYK	cmyk(30.8%, 100%, 0%, 84.7%)
CIE-LAB	lab(3.43, 18.74, -18.82)
CIE-LCH	lch(3.43, 26.56, 314.87°)
OKLab	oklab(16.74% 0.0574 -0.0599)
OKLCH	oklch(16.74% 0.083 313.8)
XYZ	xyz(0.8181, 0.3795, 1.9492)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0027 #0C2700

analogous

#070027 #1B0027 #270020

triadic

#1B0027 #271B00 #00271B

tetradic

#1B0027 #270700 #0C2700 #002027

square

#1B0027 #270700 #0C2700 #002027

split-complementary

#1B0027 #202700 #002707

monochromatic

#15001F #15001F #1B0027 #450064 #7000A1

Accessibility & contrast

On white

19.52

#1B0027 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#1B0027 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0027

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0027	#FFFFFF	#000000	##FFFFFF
##1B0027	1.00	19.52	1.08	19.52
#FFFFFF	19.52	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B28

Deuteranopia (green-blind)

#000D26

Tritanopia (blue-blind)

#1A0712

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #1b0027;
/* rgb */ color: rgb(27, 0, 39);
/* oklch */ color: oklch(16.7% 0.083 313.8);

Tailwind

colors: {
  custom: {
    50: '#574661',
    500: '#1b0027',
    950: '#000000',
  },
}

SCSS

$custom: #1b0027;
$custom-light: #574661;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0027",
  "rgb": {
    "r": 27,
    "g": 0,
    "b": 39
  },
  "hsl": {
    "h": 281.538,
    "s": 100,
    "l": 7.647
  },
  "oklch": {
    "l": 0.16735,
    "c": 0.08297,
    "h": 313.8
  },
  "luminance": 0.00379
}

Semantic roles & 50–950 ramp

primary

#1B0027

secondary

#306F14

accent

#FF296B

background

#F5F3F5

surface

#E9E5E9

border

#C5C1C5

text

#030005

muted

#787779

Preview Lab

Preview with #1B0027

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

Preview Lab → · Contrast checker → · Palette generator →