#1F022C#1F022C

#1F022C is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.4% C 0.084 H 313.2°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#1F022C
RGB	rgb(31, 2, 44)
HSL	hsl(281, 91%, 9%)
HSV	hsv(281, 95%, 17%)
CMYK	cmyk(29.5%, 95.5%, 0%, 82.7%)
CIE-LAB	lab(4.67, 21.97, -20.66)
CIE-LCH	lch(4.67, 30.16, 316.77°)
OKLab	oklab(18.41% 0.0578 -0.0615)
OKLCH	oklch(18.41% 0.084 313.2)
XYZ	xyz(1.0413, 0.5166, 2.4272)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F022C #0F2C02

analogous

#0A022C #1F022C #2C0224

triadic

#1F022C #2C1F02 #022C1F

tetradic

#1F022C #2C0A02 #0F2C02 #02242C

square

#1F022C #2C0A02 #0F2C02 #02242C

split-complementary

#1F022C #242C02 #022C0A

monochromatic

#15011D #15011D #1F022C #480567 #7107A1

Accessibility & contrast

On white

19.03

#1F022C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F022C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F022C

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F022C	#FFFFFF	#000000	##FFFFFF
##1F022C	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2D

Deuteranopia (green-blind)

#00112B

Tritanopia (blue-blind)

#1E0B16

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1f022c;
/* rgb */ color: rgb(31, 2, 44);
/* oklch */ color: oklch(18.4% 0.084 313.2);

Tailwind

colors: {
  custom: {
    50: '#5c4765',
    500: '#1f022c',
    950: '#000000',
  },
}

SCSS

$custom: #1f022c;
$custom-light: #5c4765;
$custom-dark: #000000;

JSON

{
  "hex": "#1f022c",
  "rgb": {
    "r": 31,
    "g": 2,
    "b": 44
  },
  "hsl": {
    "h": 281.429,
    "s": 91.304,
    "l": 9.02
  },
  "oklch": {
    "l": 0.1841,
    "c": 0.08438,
    "h": 313.2
  },
  "luminance": 0.00517
}

Semantic roles & 50–950 ramp

primary

#1F022C

secondary

#347119

accent

#FF296B

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1F022C

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

Preview Lab → · Contrast checker → · Palette generator →