#1B0433#1B0433

#1B0433 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.9% C 0.087 H 300.9°. Best body text is #FFFFFF at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B0433
RGB	rgb(27, 4, 51)
HSL	hsl(269, 85%, 11%)
HSV	hsv(269, 92%, 20%)
CMYK	cmyk(47.1%, 92.2%, 0%, 80%)
CIE-LAB	lab(5.05, 22.12, -25.31)
CIE-LCH	lch(5.05, 33.62, 311.16°)
OKLab	oklab(18.85% 0.0447 -0.0746)
OKLCH	oklch(18.85% 0.087 300.9)
XYZ	xyz(1.0928, 0.5589, 3.1816)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0433 #1C3304

analogous

#040433 #1B0433 #320433

triadic

#1B0433 #331B04 #04331B

tetradic

#1B0433 #330404 #1C3304 #043332

square

#1B0433 #330404 #1C3304 #043332

split-complementary

#1B0433 #333204 #043304

monochromatic

#0F021C #0F021C #1B0433 #39086C #570DA4

Accessibility & contrast

On white

18.89

#1B0433 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1B0433 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0433

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0433	#FFFFFF	#000000	##FFFFFF
##1B0433	1.00	18.89	1.11	18.89
#FFFFFF	18.89	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001134

Deuteranopia (green-blind)

#001132

Tritanopia (blue-blind)

#15101B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #1b0433;
/* rgb */ color: rgb(27, 4, 51);
/* oklch */ color: oklch(18.9% 0.087 300.9);

Tailwind

colors: {
  custom: {
    50: '#5a476b',
    500: '#1b0433',
    950: '#000000',
  },
}

SCSS

$custom: #1b0433;
$custom-light: #5a476b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0433",
  "rgb": {
    "r": 27,
    "g": 4,
    "b": 51
  },
  "hsl": {
    "h": 269.362,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.18851,
    "c": 0.08699,
    "h": 300.9
  },
  "luminance": 0.00559
}

Semantic roles & 50–950 ramp

primary

#1B0433

secondary

#4A751D

accent

#FC2C96

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1B0433

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

Preview Lab → · Contrast checker → · Palette generator →