#1C022B#1C022B

#1C022B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.8% C 0.082 H 310.2°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#1C022B
RGB	rgb(28, 2, 43)
HSL	hsl(278, 91%, 9%)
HSV	hsv(278, 95%, 17%)
CMYK	cmyk(34.9%, 95.3%, 0%, 83.1%)
CIE-LAB	lab(4.20, 20.14, -20.67)
CIE-LCH	lch(4.20, 28.85, 314.26°)
OKLab	oklab(17.78% 0.053 -0.0628)
OKLCH	oklch(17.78% 0.082 310.2)
XYZ	xyz(0.9366, 0.4647, 2.3254)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C022B #112B02

analogous

#08022B #1C022B #2B0226

triadic

#1C022B #2B1C02 #022B1C

tetradic

#1C022B #2B0802 #112B02 #02262B

square

#1C022B #2B0802 #112B02 #02262B

split-complementary

#1C022B #262B02 #022B08

monochromatic

#13011D #13011D #1C022B #420565 #6807A0

Accessibility & contrast

On white

19.21

#1C022B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1C022B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C022B

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C022B	#FFFFFF	#000000	##FFFFFF
##1C022B	1.00	19.21	1.09	19.21
#FFFFFF	19.21	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#1A0B16

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1c022b;
/* rgb */ color: rgb(28, 2, 43);
/* oklch */ color: oklch(17.8% 0.082 310.2);

Tailwind

colors: {
  custom: {
    50: '#594764',
    500: '#1c022b',
    950: '#000000',
  },
}

SCSS

$custom: #1c022b;
$custom-light: #594764;
$custom-dark: #000000;

JSON

{
  "hex": "#1c022b",
  "rgb": {
    "r": 28,
    "g": 2,
    "b": 43
  },
  "hsl": {
    "h": 278.049,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17777,
    "c": 0.08221,
    "h": 310.2
  },
  "luminance": 0.00465
}

Semantic roles & 50–950 ramp

primary

#1C022B

secondary

#397019

accent

#FF2977

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1C022B

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

Preview Lab → · Contrast checker → · Palette generator →