#1B0A41#1B0A41

#1B0A41 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.4% C 0.096 H 289.8°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B0A41
RGB	rgb(27, 10, 65)
HSL	hsl(259, 73%, 15%)
HSV	hsv(259, 85%, 25%)
CMYK	cmyk(58.5%, 84.6%, 0%, 74.5%)
CIE-LAB	lab(7.51, 24.47, -31.46)
CIE-LCH	lch(7.51, 39.86, 307.87°)
OKLab	oklab(21.36% 0.0326 -0.0905)
OKLCH	oklch(21.36% 0.096 289.8)
XYZ	xyz(1.5144, 0.8317, 5.0807)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0A41 #30410A

analogous

#0A1541 #1B0A41 #360A41

triadic

#1B0A41 #411B0A #0A411B

tetradic

#1B0A41 #410A15 #30410A #0A4136

square

#1B0A41 #410A15 #30410A #0A4136

split-complementary

#1B0A41 #41360A #15410A

monochromatic

#0B041B #0B041B #1B0A41 #311276 #471AAB

Accessibility & contrast

On white

18.00

#1B0A41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B0A41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0A41

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0A41	#FFFFFF	#000000	##FFFFFF
##1B0A41	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001843

Deuteranopia (green-blind)

#001540

Tritanopia (blue-blind)

#0D1925

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0a41;
/* rgb */ color: rgb(27, 10, 65);
/* oklch */ color: oklch(21.4% 0.096 289.8);

Tailwind

colors: {
  custom: {
    50: '#5d4b76',
    500: '#1b0a41',
    950: '#000000',
  },
}

SCSS

$custom: #1b0a41;
$custom-light: #5d4b76;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0a41",
  "rgb": {
    "r": 27,
    "g": 10,
    "b": 65
  },
  "hsl": {
    "h": 258.545,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21358,
    "c": 0.09615,
    "h": 289.8
  },
  "luminance": 0.00832
}

Semantic roles & 50–950 ramp

primary

#1B0A41

secondary

#647E29

accent

#F038B7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #1B0A41

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

Preview Lab → · Contrast checker → · Palette generator →