#1C012B#1C012B

#1C012B is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.6% C 0.085 H 310.6°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#1C012B
RGB	rgb(28, 1, 43)
HSL	hsl(279, 95%, 9%)
HSV	hsv(279, 98%, 17%)
CMYK	cmyk(34.9%, 97.7%, 0%, 83.1%)
CIE-LAB	lab(4.00, 20.56, -20.98)
CIE-LCH	lch(4.00, 29.37, 314.43°)
OKLab	oklab(17.57% 0.0551 -0.0643)
OKLCH	oklch(17.57% 0.085 310.6)
XYZ	xyz(0.9257, 0.4430, 2.3218)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C012B #102B01

analogous

#07012B #1C012B #2B0125

triadic

#1C012B #2B1C01 #012B1C

tetradic

#1C012B #2B0701 #102B01 #01252B

square

#1C012B #2B0701 #102B01 #01252B

split-complementary

#1C012B #252B01 #012B07

monochromatic

#13011E #13011E #1C012B #430267 #6A04A3

Accessibility & contrast

On white

19.29

#1C012B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1C012B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C012B

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C012B	#FFFFFF	#000000	##FFFFFF
##1C012B	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#1A0A15

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1c012b;
/* rgb */ color: rgb(28, 1, 43);
/* oklch */ color: oklch(17.6% 0.085 310.6);

Tailwind

colors: {
  custom: {
    50: '#594664',
    500: '#1c012b',
    950: '#000000',
  },
}

SCSS

$custom: #1c012b;
$custom-light: #594664;
$custom-dark: #000000;

JSON

{
  "hex": "#1c012b",
  "rgb": {
    "r": 28,
    "g": 1,
    "b": 43
  },
  "hsl": {
    "h": 278.571,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.17565,
    "c": 0.08467,
    "h": 310.6
  },
  "luminance": 0.00443
}

Semantic roles & 50–950 ramp

primary

#1C012B

secondary

#377117

accent

#FF2975

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1C012B

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

Preview Lab → · Contrast checker → · Palette generator →