#1C0A43#1C0A43

#1C0A43 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.7% C 0.099 H 290.0°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C0A43
RGB	rgb(28, 10, 67)
HSL	hsl(259, 74%, 15%)
HSV	hsv(259, 85%, 26%)
CMYK	cmyk(58.2%, 85.1%, 0%, 73.7%)
CIE-LAB	lab(7.85, 25.35, -32.33)
CIE-LCH	lch(7.85, 41.08, 308.10°)
OKLab	oklab(21.7% 0.0337 -0.0929)
OKLCH	oklch(21.7% 0.099 290)
XYZ	xyz(1.6003, 0.8691, 5.3925)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0A43 #31430A

analogous

#0A1543 #1C0A43 #380A43

triadic

#1C0A43 #431C0A #0A431C

tetradic

#1C0A43 #430A15 #31430A #0A4338

square

#1C0A43 #430A15 #31430A #0A4338

split-complementary

#1C0A43 #43380A #15430A

monochromatic

#0B041B #0B041B #1C0A43 #321278 #491AAE

Accessibility & contrast

On white

17.89

#1C0A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1C0A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0A43

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0A43	#FFFFFF	#000000	##FFFFFF
##1C0A43	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001845

Deuteranopia (green-blind)

#001642

Tritanopia (blue-blind)

#0E1A26

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1c0a43;
/* rgb */ color: rgb(28, 10, 67);
/* oklch */ color: oklch(21.7% 0.099 290.0);

Tailwind

colors: {
  custom: {
    50: '#5e4b78',
    500: '#1c0a43',
    950: '#000000',
  },
}

SCSS

$custom: #1c0a43;
$custom-light: #5e4b78;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0a43",
  "rgb": {
    "r": 28,
    "g": 10,
    "b": 67
  },
  "hsl": {
    "h": 258.947,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21699,
    "c": 0.09884,
    "h": 290
  },
  "luminance": 0.00869
}

Semantic roles & 50–950 ramp

primary

#1C0A43

secondary

#658029

accent

#F137B6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1C0A43

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

Preview Lab → · Contrast checker → · Palette generator →