#1F052D#1F052D

#1F052D is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.1% C 0.079 H 311.1°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F052D
RGB	rgb(31, 5, 45)
HSL	hsl(279, 80%, 10%)
HSV	hsv(279, 89%, 18%)
CMYK	cmyk(31.1%, 88.9%, 0%, 82.4%)
CIE-LAB	lab(5.32, 20.94, -20.37)
CIE-LCH	lch(5.32, 29.22, 315.80°)
OKLab	oklab(19.07% 0.0519 -0.0595)
OKLCH	oklch(19.07% 0.079 311.1)
XYZ	xyz(1.0929, 0.5893, 2.5383)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F052D #132D05

analogous

#0B052D #1F052D #2D0527

triadic

#1F052D #2D1F05 #052D1F

tetradic

#1F052D #2D0B05 #132D05 #05272D

square

#1F052D #2D0B05 #132D05 #05272D

split-complementary

#1F052D #272D05 #052D0B

monochromatic

#13031C #13031C #1F052D #450B64 #6B119B

Accessibility & contrast

On white

18.79

#1F052D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1F052D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F052D

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F052D	#FFFFFF	#000000	##FFFFFF
##1F052D	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102E

Deuteranopia (green-blind)

#01122C

Tritanopia (blue-blind)

#1D0E18

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1f052d;
/* rgb */ color: rgb(31, 5, 45);
/* oklch */ color: oklch(19.1% 0.079 311.1);

Tailwind

colors: {
  custom: {
    50: '#5c4866',
    500: '#1f052d',
    950: '#000000',
  },
}

SCSS

$custom: #1f052d;
$custom-light: #5c4866;
$custom-dark: #000000;

JSON

{
  "hex": "#1f052d",
  "rgb": {
    "r": 31,
    "g": 5,
    "b": 45
  },
  "hsl": {
    "h": 279,
    "s": 80,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19071,
    "c": 0.07891,
    "h": 311.1
  },
  "luminance": 0.00589
}

Semantic roles & 50–950 ramp

primary

#1F052D

secondary

#3B6F1F

accent

#F63176

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1F052D

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

Preview Lab → · Contrast checker → · Palette generator →