#1C0F5B#1C0F5B

#1C0F5B is a dark, vivid violet. Relative luminance 0.013; OKLCH L 25.1% C 0.125 H 280.2°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#1C0F5B
RGB	rgb(28, 15, 91)
HSL	hsl(250, 72%, 21%)
HSV	hsv(250, 84%, 36%)
CMYK	cmyk(69.2%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(11.58, 30.57, -42.75)
CIE-LCH	lch(11.58, 52.55, 305.56°)
OKLab	oklab(25.13% 0.0222 -0.1234)
OKLCH	oklch(25.13% 0.125 280.2)
XYZ	xyz(2.5374, 1.3437, 10.0211)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0F5B #4E5B0F

analogous

#0F285B #1C0F5B #420F5B

triadic

#1C0F5B #5B1C0F #0F5B1C

tetradic

#1C0F5B #5B0F28 #4E5B0F #0F5B42

square

#1C0F5B #5B0F28 #4E5B0F #0F5B42

split-complementary

#1C0F5B #5B420F #285B0F

monochromatic

#08041A #0C0626 #1C0F5B #2C1890 #3C20C4

Accessibility & contrast

On white

16.55

#1C0F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1C0F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0F5B

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0F5B	#FFFFFF	#000000	##FFFFFF
##1C0F5B	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001C5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1c0f5b;
/* rgb */ color: rgb(28, 15, 91);
/* oklch */ color: oklch(25.1% 0.125 280.2);

Tailwind

colors: {
  custom: {
    50: '#63508a',
    500: '#1c0f5b',
    950: '#000000',
  },
}

SCSS

$custom: #1c0f5b;
$custom-light: #63508a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0f5b",
  "rgb": {
    "r": 28,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 250.263,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.25133,
    "c": 0.12539,
    "h": 280.2
  },
  "luminance": 0.01344
}

Semantic roles & 50–950 ramp

primary

#1C0F5B

secondary

#849531

accent

#EE39CF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C0F5B

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

Preview Lab → · Contrast checker → · Palette generator →