#1C0437#1C0437

#1C0437 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.4% C 0.092 H 299.3°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#1C0437
RGB	rgb(28, 4, 55)
HSL	hsl(268, 86%, 12%)
HSV	hsv(268, 93%, 22%)
CMYK	cmyk(49.1%, 92.7%, 0%, 78.4%)
CIE-LAB	lab(5.51, 24.11, -27.51)
CIE-LCH	lch(5.51, 36.58, 311.23°)
OKLab	oklab(19.44% 0.045 -0.0803)
OKLCH	oklch(19.44% 0.092 299.3)
XYZ	xyz(1.2117, 0.6095, 3.6675)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0437 #1F3704

analogous

#040637 #1C0437 #360437

triadic

#1C0437 #371C04 #04371C

tetradic

#1C0437 #370406 #1F3704 #043736

square

#1C0437 #370406 #1F3704 #043736

split-complementary

#1C0437 #373604 #063704

monochromatic

#0F021D #0F021D #1C0437 #390870 #560CA9

Accessibility & contrast

On white

18.72

#1C0437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1C0437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0437

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0437	#FFFFFF	#000000	##FFFFFF
##1C0437	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001238

Deuteranopia (green-blind)

#001236

Tritanopia (blue-blind)

#15121D

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1c0437;
/* rgb */ color: rgb(28, 4, 55);
/* oklch */ color: oklch(19.4% 0.092 299.3);

Tailwind

colors: {
  custom: {
    50: '#5b476e',
    500: '#1c0437',
    950: '#000000',
  },
}

SCSS

$custom: #1c0437;
$custom-light: #5b476e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0437",
  "rgb": {
    "r": 28,
    "g": 4,
    "b": 55
  },
  "hsl": {
    "h": 268.235,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.1944,
    "c": 0.09204,
    "h": 299.3
  },
  "luminance": 0.0061
}

Semantic roles & 50–950 ramp

primary

#1C0437

secondary

#4E791E

accent

#FD2B9A

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1C0437

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

Preview Lab → · Contrast checker → · Palette generator →