#1F073B#1F073B

#1F073B is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.8% C 0.093 H 299.0°. Best body text is #FFFFFF at 18.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F073B
RGB	rgb(31, 7, 59)
HSL	hsl(268, 79%, 13%)
HSV	hsv(268, 88%, 23%)
CMYK	cmyk(47.5%, 88.1%, 0%, 76.9%)
CIE-LAB	lab(6.86, 24.93, -28.21)
CIE-LCH	lch(6.86, 37.65, 311.46°)
OKLab	oklab(20.8% 0.045 -0.081)
OKLCH	oklch(20.8% 0.093 299)
XYZ	xyz(1.4303, 0.7590, 4.2080)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F073B #233B07

analogous

#07093B #1F073B #39073B

triadic

#1F073B #3B1F07 #073B1F

tetradic

#1F073B #3B0709 #233B07 #073B39

square

#1F073B #3B0709 #233B07 #073B39

split-complementary

#1F073B #3B3907 #093B07

monochromatic

#0E031B #0E031B #1F073B #3C0D72 #5814A8

Accessibility & contrast

On white

18.23

#1F073B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1F073B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F073B

18.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F073B	#FFFFFF	#000000	##FFFFFF
##1F073B	1.00	18.23	1.15	18.23
#FFFFFF	18.23	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#181521

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1f073b;
/* rgb */ color: rgb(31, 7, 59);
/* oklch */ color: oklch(20.8% 0.093 299.0);

Tailwind

colors: {
  custom: {
    50: '#5e4971',
    500: '#1f073b',
    950: '#000000',
  },
}

SCSS

$custom: #1f073b;
$custom-light: #5e4971;
$custom-dark: #000000;

JSON

{
  "hex": "#1f073b",
  "rgb": {
    "r": 31,
    "g": 7,
    "b": 59
  },
  "hsl": {
    "h": 267.692,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.20795,
    "c": 0.09263,
    "h": 299
  },
  "luminance": 0.00759
}

Semantic roles & 50–950 ramp

primary

#1F073B

secondary

#527A23

accent

#F5339B

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #1F073B

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

Preview Lab → · Contrast checker → · Palette generator →