#1B0D53#1B0D53

#1B0D53 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.8% C 0.117 H 282.0°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D53
RGB	rgb(27, 13, 83)
HSL	hsl(252, 73%, 19%)
HSV	hsv(252, 84%, 33%)
CMYK	cmyk(67.5%, 84.3%, 0%, 67.5%)
CIE-LAB	lab(10.15, 28.85, -39.68)
CIE-LCH	lch(10.15, 49.07, 306.02°)
OKLab	oklab(23.83% 0.0244 -0.1145)
OKLCH	oklch(23.83% 0.117 282)
XYZ	xyz(2.1568, 1.1452, 8.2893)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D53 #45530D

analogous

#0D2253 #1B0D53 #3E0D53

triadic

#1B0D53 #531B0D #0D531B

tetradic

#1B0D53 #530D22 #45530D #0D533E

square

#1B0D53 #530D22 #45530D #0D533E

split-complementary

#1B0D53 #533E0D #22530D

monochromatic

#09041A #0A051E #1B0D53 #2C1588 #3D1EBD

Accessibility & contrast

On white

17.09

#1B0D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1B0D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D53

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D53	#FFFFFF	#000000	##FFFFFF
##1B0D53	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E55

Deuteranopia (green-blind)

#001952

Tritanopia (blue-blind)

#002230

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1b0d53;
/* rgb */ color: rgb(27, 13, 83);
/* oklch */ color: oklch(23.8% 0.117 282.0);

Tailwind

colors: {
  custom: {
    50: '#604e84',
    500: '#1b0d53',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d53;
$custom-light: #604e84;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d53",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 83
  },
  "hsl": {
    "h": 252,
    "s": 72.917,
    "l": 18.824
  },
  "oklch": {
    "l": 0.23828,
    "c": 0.11704,
    "h": 282
  },
  "luminance": 0.01145
}

Semantic roles & 50–950 ramp

primary

#1B0D53

secondary

#7B8E2E

accent

#F038CB

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#05010B

muted

#7A777C

Preview Lab

Preview with #1B0D53

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

Preview Lab → · Contrast checker → · Palette generator →