#1F012C#1F012C

#1F012C is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.2% C 0.087 H 313.6°. Best body text is #FFFFFF at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F012C
RGB	rgb(31, 1, 44)
HSL	hsl(282, 96%, 9%)
HSV	hsv(282, 98%, 17%)
CMYK	cmyk(29.5%, 97.7%, 0%, 82.7%)
CIE-LAB	lab(4.47, 22.43, -20.97)
CIE-LCH	lch(4.47, 30.70, 316.93°)
OKLab	oklab(18.21% 0.0598 -0.0628)
OKLCH	oklch(18.21% 0.087 313.6)
XYZ	xyz(1.0305, 0.4949, 2.4236)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F012C #0E2C01

analogous

#0A012C #1F012C #2C0124

triadic

#1F012C #2C1F01 #012C1F

tetradic

#1F012C #2C0A01 #0E2C01 #01242C

square

#1F012C #2C0A01 #0E2C01 #01242C

split-complementary

#1F012C #242C01 #012C0A

monochromatic

#15011E #15011E #1F012C #490268 #7304A4

Accessibility & contrast

On white

19.11

#1F012C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F012C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F012C

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F012C	#FFFFFF	#000000	##FFFFFF
##1F012C	1.00	19.11	1.10	19.11
#FFFFFF	19.11	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2D

Deuteranopia (green-blind)

#00102B

Tritanopia (blue-blind)

#1E0A16

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f012c;
/* rgb */ color: rgb(31, 1, 44);
/* oklch */ color: oklch(18.2% 0.087 313.6);

Tailwind

colors: {
  custom: {
    50: '#5c4665',
    500: '#1f012c',
    950: '#000000',
  },
}

SCSS

$custom: #1f012c;
$custom-light: #5c4665;
$custom-dark: #000000;

JSON

{
  "hex": "#1f012c",
  "rgb": {
    "r": 31,
    "g": 1,
    "b": 44
  },
  "hsl": {
    "h": 281.86,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18213,
    "c": 0.08675,
    "h": 313.6
  },
  "luminance": 0.00495
}

Semantic roles & 50–950 ramp

primary

#1F012C

secondary

#327217

accent

#FF296A

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1F012C

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

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