#1F012D#1F012D

#1F012D is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.3% C 0.088 H 312.6°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F012D
RGB	rgb(31, 1, 45)
HSL	hsl(281, 96%, 9%)
HSV	hsv(281, 98%, 18%)
CMYK	cmyk(31.1%, 97.8%, 0%, 82.4%)
CIE-LAB	lab(4.54, 22.81, -21.61)
CIE-LCH	lch(4.54, 31.42, 316.54°)
OKLab	oklab(18.31% 0.0594 -0.0646)
OKLCH	oklch(18.31% 0.088 312.6)
XYZ	xyz(1.0495, 0.5025, 2.5238)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F012D #0F2D01

analogous

#09012D #1F012D #2D0125

triadic

#1F012D #2D1F01 #012D1F

tetradic

#1F012D #2D0901 #0F2D01 #01252D

square

#1F012D #2D0901 #0F2D01 #01252D

split-complementary

#1F012D #252D01 #012D09

monochromatic

#15011E #15011E #1F012D #480269 #7104A5

Accessibility & contrast

On white

19.08

#1F012D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F012D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F012D

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F012D	#FFFFFF	#000000	##FFFFFF
##1F012D	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2E

Deuteranopia (green-blind)

#00102C

Tritanopia (blue-blind)

#1D0A16

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1f012d;
/* rgb */ color: rgb(31, 1, 45);
/* oklch */ color: oklch(18.3% 0.088 312.6);

Tailwind

colors: {
  custom: {
    50: '#5c4666',
    500: '#1f012d',
    950: '#000000',
  },
}

SCSS

$custom: #1f012d;
$custom-light: #5c4666;
$custom-dark: #000000;

JSON

{
  "hex": "#1f012d",
  "rgb": {
    "r": 31,
    "g": 1,
    "b": 45
  },
  "hsl": {
    "h": 280.909,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18313,
    "c": 0.08777,
    "h": 312.6
  },
  "luminance": 0.00502
}

Semantic roles & 50–950 ramp

primary

#1F012D

secondary

#347317

accent

#FF296D

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1F012D

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

Preview Lab → · Contrast checker → · Palette generator →