#1B0541#1B0541

#1B0541 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.6% C 0.103 H 291.5°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B0541
RGB	rgb(27, 5, 65)
HSL	hsl(262, 86%, 14%)
HSV	hsv(262, 92%, 25%)
CMYK	cmyk(58.5%, 92.3%, 0%, 74.5%)
CIE-LAB	lab(6.53, 27.17, -33.07)
CIE-LCH	lch(6.53, 42.80, 309.41°)
OKLab	oklab(20.61% 0.0376 -0.0955)
OKLCH	oklch(20.61% 0.103 291.5)
XYZ	xyz(1.4601, 0.7231, 5.0626)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0541 #2B4105

analogous

#050D41 #1B0541 #390541

triadic

#1B0541 #411B05 #05411B

tetradic

#1B0541 #41050D #2B4105 #054139

square

#1B0541 #41050D #2B4105 #054139

split-complementary

#1B0541 #413905 #0D4105

monochromatic

#0C021C #0C021C #1B0541 #33097A #4A0EB3

Accessibility & contrast

On white

18.35

#1B0541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1B0541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0541

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0541	#FFFFFF	#000000	##FFFFFF
##1B0541	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#001340

Tritanopia (blue-blind)

#0D1723

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1b0541;
/* rgb */ color: rgb(27, 5, 65);
/* oklch */ color: oklch(20.6% 0.103 291.5);

Tailwind

colors: {
  custom: {
    50: '#5d4876',
    500: '#1b0541',
    950: '#000000',
  },
}

SCSS

$custom: #1b0541;
$custom-light: #5d4876;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0541",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 65
  },
  "hsl": {
    "h": 262,
    "s": 85.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20613,
    "c": 0.10268,
    "h": 291.5
  },
  "luminance": 0.00723
}

Semantic roles & 50–950 ramp

primary

#1B0541

secondary

#5E8120

accent

#FC2CB0

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#050008

muted

#79777B

Preview Lab

Preview with #1B0541

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

Preview Lab → · Contrast checker → · Palette generator →