#1C043B#1C043B

#1C043B is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.9% C 0.097 H 296.5°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#1C043B
RGB	rgb(28, 4, 59)
HSL	hsl(266, 87%, 12%)
HSV	hsv(266, 93%, 23%)
CMYK	cmyk(52.5%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(5.87, 25.68, -29.84)
CIE-LCH	lch(5.87, 39.37, 310.71°)
OKLab	oklab(19.89% 0.0433 -0.0867)
OKLCH	oklch(19.89% 0.097 296.5)
XYZ	xyz(1.3115, 0.6494, 4.1931)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C043B #233B04

analogous

#04073B #1C043B #38043B

triadic

#1C043B #3B1C04 #043B1C

tetradic

#1C043B #3B0407 #233B04 #043B38

square

#1C043B #3B0407 #233B04 #043B38

split-complementary

#1C043B #3B3804 #073B04

monochromatic

#0E021D #0E021D #1C043B #370874 #520CAE

Accessibility & contrast

On white

18.59

#1C043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1C043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C043B

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C043B	#FFFFFF	#000000	##FFFFFF
##1C043B	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133C

Deuteranopia (green-blind)

#00123A

Tritanopia (blue-blind)

#131320

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1c043b;
/* rgb */ color: rgb(28, 4, 59);
/* oklch */ color: oklch(19.9% 0.097 296.5);

Tailwind

colors: {
  custom: {
    50: '#5c4771',
    500: '#1c043b',
    950: '#000000',
  },
}

SCSS

$custom: #1c043b;
$custom-light: #5c4771;
$custom-dark: #000000;

JSON

{
  "hex": "#1c043b",
  "rgb": {
    "r": 28,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 266.182,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.1989,
    "c": 0.09688,
    "h": 296.5
  },
  "luminance": 0.00649
}

Semantic roles & 50–950 ramp

primary

#1C043B

secondary

#537D1E

accent

#FD2AA1

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040008

muted

#79777B

Preview Lab

Preview with #1C043B

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

Preview Lab → · Contrast checker → · Palette generator →