#1C0C53#1C0C53

#1C0C53 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.8% C 0.118 H 283.1°. Best body text is #FFFFFF at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C0C53
RGB	rgb(28, 12, 83)
HSL	hsl(254, 75%, 19%)
HSV	hsv(254, 86%, 33%)
CMYK	cmyk(66.3%, 85.5%, 0%, 67.5%)
CIE-LAB	lab(10.06, 29.53, -39.82)
CIE-LCH	lch(10.06, 49.57, 306.56°)
OKLab	oklab(23.8% 0.0268 -0.1148)
OKLCH	oklch(23.8% 0.118 283.1)
XYZ	xyz(2.1712, 1.1342, 8.2864)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0C53 #43530C

analogous

#0C1F53 #1C0C53 #3F0C53

triadic

#1C0C53 #531C0C #0C531C

tetradic

#1C0C53 #530C1F #43530C #0C533F

square

#1C0C53 #530C1F #43530C #0C533F

split-complementary

#1C0C53 #533F0C #1F530C

monochromatic

#09041B #0A041E #1C0C53 #2E1488 #401BBE

Accessibility & contrast

On white

17.12

#1C0C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1C0C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0C53

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0C53	#FFFFFF	#000000	##FFFFFF
##1C0C53	1.00	17.12	1.23	17.12
#FFFFFF	17.12	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E55

Deuteranopia (green-blind)

#001952

Tritanopia (blue-blind)

#00212F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1c0c53;
/* rgb */ color: rgb(28, 12, 83);
/* oklch */ color: oklch(23.8% 0.118 283.1);

Tailwind

colors: {
  custom: {
    50: '#614d84',
    500: '#1c0c53',
    950: '#000000',
  },
}

SCSS

$custom: #1c0c53;
$custom-light: #614d84;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0c53",
  "rgb": {
    "r": 28,
    "g": 12,
    "b": 83
  },
  "hsl": {
    "h": 253.521,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23796,
    "c": 0.1179,
    "h": 283.1
  },
  "luminance": 0.01134
}

Semantic roles & 50–950 ramp

primary

#1C0C53

secondary

#788E2D

accent

#F136C7

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#05010B

muted

#7A777C

Preview Lab

Preview with #1C0C53

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

Preview Lab → · Contrast checker → · Palette generator →