#1F083B#1F083B

#1F083B is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.091 H 298.7°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F083B
RGB	rgb(31, 8, 59)
HSL	hsl(267, 76%, 13%)
HSV	hsv(267, 86%, 23%)
CMYK	cmyk(47.5%, 86.4%, 0%, 76.9%)
CIE-LAB	lab(7.05, 24.39, -27.89)
CIE-LCH	lch(7.05, 37.05, 311.17°)
OKLab	oklab(20.95% 0.0438 -0.0799)
OKLCH	oklch(20.95% 0.091 298.7)
XYZ	xyz(1.4411, 0.7807, 4.2116)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F083B #243B08

analogous

#080A3B #1F083B #38083B

triadic

#1F083B #3B1F08 #083B1F

tetradic

#1F083B #3B080A #243B08 #083B38

square

#1F083B #3B080A #243B08 #083B38

split-complementary

#1F083B #3B3808 #0A3B08

monochromatic

#0E041B #0E041B #1F083B #3B0F71 #5817A7

Accessibility & contrast

On white

18.16

#1F083B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#1F083B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F083B

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F083B	#FFFFFF	#000000	##FFFFFF
##1F083B	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#181521

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #1f083b;
/* rgb */ color: rgb(31, 8, 59);
/* oklch */ color: oklch(20.9% 0.091 298.7);

Tailwind

colors: {
  custom: {
    50: '#5e4a71',
    500: '#1f083b',
    950: '#000000',
  },
}

SCSS

$custom: #1f083b;
$custom-light: #5e4a71;
$custom-dark: #000000;

JSON

{
  "hex": "#1f083b",
  "rgb": {
    "r": 31,
    "g": 8,
    "b": 59
  },
  "hsl": {
    "h": 267.059,
    "s": 76.119,
    "l": 13.137
  },
  "oklch": {
    "l": 0.20946,
    "c": 0.09114,
    "h": 298.7
  },
  "luminance": 0.00781
}

Semantic roles & 50–950 ramp

primary

#1F083B

secondary

#547A25

accent

#F3359D

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #1F083B

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

Preview Lab → · Contrast checker → · Palette generator →