#1B0D58#1B0D58

#1B0D58 is a very dark, vivid violet. Relative luminance 0.012; OKLCH L 24.4% C 0.124 H 280.6°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D58
RGB	rgb(27, 13, 88)
HSL	hsl(251, 74%, 20%)
HSV	hsv(251, 85%, 35%)
CMYK	cmyk(69.3%, 85.2%, 0%, 65.5%)
CIE-LAB	lab(10.74, 30.53, -42.11)
CIE-LCH	lch(10.74, 52.01, 305.95°)
OKLab	oklab(24.42% 0.0228 -0.1215)
OKLCH	oklch(24.42% 0.124 280.6)
XYZ	xyz(2.3568, 1.2253, 9.3429)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D58 #4A580D

analogous

#0D2558 #1B0D58 #410D58

triadic

#1B0D58 #581B0D #0D581B

tetradic

#1B0D58 #580D25 #4A580D #0D5841

square

#1B0D58 #580D25 #4A580D #0D5841

split-complementary

#1B0D58 #58410D #25580D

monochromatic

#08041B #0B0523 #1B0D58 #2B158D #3C1DC3

Accessibility & contrast

On white

16.87

#1B0D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#1B0D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D58

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D58	#FFFFFF	#000000	##FFFFFF
##1B0D58	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205A

Deuteranopia (green-blind)

#001A57

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1b0d58;
/* rgb */ color: rgb(27, 13, 88);
/* oklch */ color: oklch(24.4% 0.124 280.6);

Tailwind

colors: {
  custom: {
    50: '#624e88',
    500: '#1b0d58',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d58;
$custom-light: #624e88;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d58",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 88
  },
  "hsl": {
    "h": 251.2,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2442,
    "c": 0.12364,
    "h": 280.6
  },
  "luminance": 0.01225
}

Semantic roles & 50–950 ramp

primary

#1B0D58

secondary

#80932E

accent

#F137CE

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020B

muted

#7A787C

Preview Lab

Preview with #1B0D58

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

Preview Lab → · Contrast checker → · Palette generator →