#1C0637#1C0637

#1C0637 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.8% C 0.089 H 298.4°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C0637
RGB	rgb(28, 6, 55)
HSL	hsl(267, 80%, 12%)
HSV	hsv(267, 89%, 22%)
CMYK	cmyk(49.1%, 89.1%, 0%, 78.4%)
CIE-LAB	lab(5.90, 23.11, -26.88)
CIE-LCH	lch(5.90, 35.45, 310.69°)
OKLab	oklab(19.78% 0.0422 -0.078)
OKLCH	oklch(19.78% 0.089 298.4)
XYZ	xyz(1.2334, 0.6529, 3.6747)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0637 #213706

analogous

#060837 #1C0637 #350637

triadic

#1C0637 #371C06 #06371C

tetradic

#1C0637 #370608 #213706 #063735

square

#1C0637 #370608 #213706 #063735

split-complementary

#1C0637 #373506 #083706

monochromatic

#0E031C #0E031C #1C0637 #380C6E #5412A5

Accessibility & contrast

On white

18.57

#1C0637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1C0637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0637

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0637	#FFFFFF	#000000	##FFFFFF
##1C0637	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#001336

Tritanopia (blue-blind)

#15131E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1c0637;
/* rgb */ color: rgb(28, 6, 55);
/* oklch */ color: oklch(19.8% 0.089 298.4);

Tailwind

colors: {
  custom: {
    50: '#5b486e',
    500: '#1c0637',
    950: '#000000',
  },
}

SCSS

$custom: #1c0637;
$custom-light: #5b486e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0637",
  "rgb": {
    "r": 28,
    "g": 6,
    "b": 55
  },
  "hsl": {
    "h": 266.939,
    "s": 80.328,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19782,
    "c": 0.08865,
    "h": 298.4
  },
  "luminance": 0.00653
}

Semantic roles & 50–950 ramp

primary

#1C0637

secondary

#517721

accent

#F7319E

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1C0637

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

Preview Lab → · Contrast checker → · Palette generator →