#1B0535#1B0535

#1B0535 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.088 H 299.0°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B0535
RGB	rgb(27, 5, 53)
HSL	hsl(268, 83%, 11%)
HSV	hsv(268, 91%, 21%)
CMYK	cmyk(49.1%, 90.6%, 0%, 79.2%)
CIE-LAB	lab(5.41, 22.47, -26.21)
CIE-LCH	lch(5.41, 34.52, 310.61°)
OKLab	oklab(19.25% 0.0425 -0.0767)
OKLCH	oklch(19.25% 0.088 299)
XYZ	xyz(1.1487, 0.5986, 3.4225)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0535 #1F3505

analogous

#050735 #1B0535 #330535

triadic

#1B0535 #351B05 #05351B

tetradic

#1B0535 #350507 #1F3505 #053533

square

#1B0535 #350507 #1F3505 #053533

split-complementary

#1B0535 #353305 #073505

monochromatic

#0E031C #0E031C #1B0535 #370A6D #5410A5

Accessibility & contrast

On white

18.75

#1B0535 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1B0535 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0535

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0535	#FFFFFF	#000000	##FFFFFF
##1B0535	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001236

Deuteranopia (green-blind)

#001134

Tritanopia (blue-blind)

#15111C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1b0535;
/* rgb */ color: rgb(27, 5, 53);
/* oklch */ color: oklch(19.2% 0.088 299.0);

Tailwind

colors: {
  custom: {
    50: '#5a486d',
    500: '#1b0535',
    950: '#000000',
  },
}

SCSS

$custom: #1b0535;
$custom-light: #5a486d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0535",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 53
  },
  "hsl": {
    "h": 267.5,
    "s": 82.759,
    "l": 11.373
  },
  "oklch": {
    "l": 0.19249,
    "c": 0.08765,
    "h": 299
  },
  "luminance": 0.00599
}

Semantic roles & 50–950 ramp

primary

#1B0535

secondary

#4F7620

accent

#F92F9C

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040007

muted

#79777A

Preview Lab

Preview with #1B0535

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

Preview Lab → · Contrast checker → · Palette generator →