#1B0542#1B0542

#1B0542 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.7% C 0.104 H 291.0°. Best body text is #FFFFFF at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B0542
RGB	rgb(27, 5, 66)
HSL	hsl(262, 86%, 14%)
HSV	hsv(262, 92%, 26%)
CMYK	cmyk(59.1%, 92.4%, 0%, 74.1%)
CIE-LAB	lab(6.64, 27.55, -33.61)
CIE-LCH	lch(6.64, 43.46, 309.34°)
OKLab	oklab(20.73% 0.0372 -0.097)
OKLCH	oklch(20.73% 0.104 291)
XYZ	xyz(1.4894, 0.7348, 5.2166)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0542 #2C4205

analogous

#050E42 #1B0542 #3A0542

triadic

#1B0542 #421B05 #05421B

tetradic

#1B0542 #42050E #2C4205 #05423A

square

#1B0542 #42050E #2C4205 #05423A

split-complementary

#1B0542 #423A05 #0E4205

monochromatic

#0C021C #0C021C #1B0542 #32097B #4A0EB4

Accessibility & contrast

On white

18.31

#1B0542 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1B0542 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0542

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0542	#FFFFFF	#000000	##FFFFFF
##1B0542	1.00	18.31	1.15	18.31
#FFFFFF	18.31	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001644

Deuteranopia (green-blind)

#001341

Tritanopia (blue-blind)

#0D1724

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1b0542;
/* rgb */ color: rgb(27, 5, 66);
/* oklch */ color: oklch(20.7% 0.104 291.0);

Tailwind

colors: {
  custom: {
    50: '#5d4877',
    500: '#1b0542',
    950: '#000000',
  },
}

SCSS

$custom: #1b0542;
$custom-light: #5d4877;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0542",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 66
  },
  "hsl": {
    "h": 261.639,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20732,
    "c": 0.10394,
    "h": 291
  },
  "luminance": 0.00735
}

Semantic roles & 50–950 ramp

primary

#1B0542

secondary

#5F8220

accent

#FC2CB1

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#050009

muted

#79777B

Preview Lab

Preview with #1B0542

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

Preview Lab → · Contrast checker → · Palette generator →