#1B0D51#1B0D51

#1B0D51 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.6% C 0.114 H 282.6°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D51
RGB	rgb(27, 13, 81)
HSL	hsl(252, 72%, 18%)
HSV	hsv(252, 84%, 32%)
CMYK	cmyk(66.7%, 84%, 0%, 68.2%)
CIE-LAB	lab(9.91, 28.18, -38.70)
CIE-LCH	lch(9.91, 47.87, 306.06°)
OKLab	oklab(23.6% 0.025 -0.1116)
OKLCH	oklch(23.6% 0.114 282.6)
XYZ	xyz(2.0807, 1.1148, 7.8885)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D51 #43510D

analogous

#0D2151 #1B0D51 #3D0D51

triadic

#1B0D51 #511B0D #0D511B

tetradic

#1B0D51 #510D21 #43510D #0D513D

square

#1B0D51 #510D21 #43510D #0D513D

split-complementary

#1B0D51 #513D0D #21510D

monochromatic

#09041A #09051C #1B0D51 #2D1586 #3E1EBA

Accessibility & contrast

On white

17.17

#1B0D51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#1B0D51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D51

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D51	#FFFFFF	#000000	##FFFFFF
##1B0D51	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D53

Deuteranopia (green-blind)

#001950

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1b0d51;
/* rgb */ color: rgb(27, 13, 81);
/* oklch */ color: oklch(23.6% 0.114 282.6);

Tailwind

colors: {
  custom: {
    50: '#604e83',
    500: '#1b0d51',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d51;
$custom-light: #604e83;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d51",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 81
  },
  "hsl": {
    "h": 252.353,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23595,
    "c": 0.11436,
    "h": 282.6
  },
  "luminance": 0.01115
}

Semantic roles & 50–950 ramp

primary

#1B0D51

secondary

#798C2E

accent

#EF39CA

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#05010B

muted

#7A777C

Preview Lab

Preview with #1B0D51

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

Preview Lab → · Contrast checker → · Palette generator →