#1C0537#1C0537

#1C0537 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.6% C 0.090 H 298.8°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C0537
RGB	rgb(28, 5, 55)
HSL	hsl(268, 83%, 12%)
HSV	hsv(268, 91%, 22%)
CMYK	cmyk(49.1%, 90.9%, 0%, 78.4%)
CIE-LAB	lab(5.70, 23.61, -27.19)
CIE-LCH	lch(5.70, 36.01, 310.97°)
OKLab	oklab(19.61% 0.0436 -0.0791)
OKLCH	oklch(19.61% 0.09 298.8)
XYZ	xyz(1.2226, 0.6312, 3.6711)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0537 #203705

analogous

#050737 #1C0537 #350537

triadic

#1C0537 #371C05 #05371C

tetradic

#1C0537 #370507 #203705 #053735

square

#1C0537 #370507 #203705 #053735

split-complementary

#1C0537 #373505 #073705

monochromatic

#0E031C #0E031C #1C0537 #390A6F #550FA7

Accessibility & contrast

On white

18.65

#1C0537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1C0537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0537

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0537	#FFFFFF	#000000	##FFFFFF
##1C0537	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#001236

Tritanopia (blue-blind)

#15121E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1c0537;
/* rgb */ color: rgb(28, 5, 55);
/* oklch */ color: oklch(19.6% 0.090 298.8);

Tailwind

colors: {
  custom: {
    50: '#5b486e',
    500: '#1c0537',
    950: '#000000',
  },
}

SCSS

$custom: #1c0537;
$custom-light: #5b486e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0537",
  "rgb": {
    "r": 28,
    "g": 5,
    "b": 55
  },
  "hsl": {
    "h": 267.6,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.19613,
    "c": 0.09033,
    "h": 298.8
  },
  "luminance": 0.00631
}

Semantic roles & 50–950 ramp

primary

#1C0537

secondary

#4F7820

accent

#FA2E9C

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1C0537

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

Preview Lab → · Contrast checker → · Palette generator →