#1F012E#1F012E

#1F012E is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.4% C 0.089 H 311.7°. Best body text is #FFFFFF at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F012E
RGB	rgb(31, 1, 46)
HSL	hsl(280, 96%, 9%)
HSV	hsv(280, 98%, 18%)
CMYK	cmyk(32.6%, 97.8%, 0%, 82%)
CIE-LAB	lab(4.61, 23.19, -22.25)
CIE-LCH	lch(4.61, 32.14, 316.18°)
OKLab	oklab(18.42% 0.059 -0.0663)
OKLCH	oklch(18.42% 0.089 311.7)
XYZ	xyz(1.0690, 0.5103, 2.6264)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F012E #102E01

analogous

#09012E #1F012E #2E0127

triadic

#1F012E #2E1F01 #012E1F

tetradic

#1F012E #2E0901 #102E01 #01272E

square

#1F012E #2E0901 #102E01 #01272E

split-complementary

#1F012E #272E01 #012E09

monochromatic

#14011E #14011E #1F012E #47026A #7004A6

Accessibility & contrast

On white

19.06

#1F012E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F012E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F012E

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F012E	#FFFFFF	#000000	##FFFFFF
##1F012E	1.00	19.06	1.10	19.06
#FFFFFF	19.06	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2F

Deuteranopia (green-blind)

#00102D

Tritanopia (blue-blind)

#1D0B17

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1f012e;
/* rgb */ color: rgb(31, 1, 46);
/* oklch */ color: oklch(18.4% 0.089 311.7);

Tailwind

colors: {
  custom: {
    50: '#5c4667',
    500: '#1f012e',
    950: '#000000',
  },
}

SCSS

$custom: #1f012e;
$custom-light: #5c4667;
$custom-dark: #000000;

JSON

{
  "hex": "#1f012e",
  "rgb": {
    "r": 31,
    "g": 1,
    "b": 46
  },
  "hsl": {
    "h": 280,
    "s": 95.745,
    "l": 9.216
  },
  "oklch": {
    "l": 0.18416,
    "c": 0.08878,
    "h": 311.7
  },
  "luminance": 0.0051
}

Semantic roles & 50–950 ramp

primary

#1F012E

secondary

#367417

accent

#FF2970

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1F012E

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

Preview Lab → · Contrast checker → · Palette generator →