#1D105C#1D105C

#1D105C is a dark, vivid violet. Relative luminance 0.014; OKLCH L 25.5% C 0.125 H 280.5°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D105C
RGB	rgb(29, 16, 92)
HSL	hsl(250, 70%, 21%)
HSV	hsv(250, 83%, 36%)
CMYK	cmyk(68.5%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(11.99, 30.47, -42.75)
CIE-LCH	lch(11.99, 52.49, 305.48°)
OKLab	oklab(25.48% 0.0229 -0.1234)
OKLCH	oklch(25.48% 0.125 280.5)
XYZ	xyz(2.6231, 1.4043, 10.2560)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D105C #4F5C10

analogous

#10295C #1D105C #43105C

triadic

#1D105C #5C1D10 #105C1D

tetradic

#1D105C #5C1029 #4F5C10 #105C43

square

#1D105C #5C1029 #4F5C10 #105C43

split-complementary

#1D105C #5C4310 #295C10

monochromatic

#08051A #0D0728 #1D105C #2D1990 #3E22C4

Accessibility & contrast

On white

16.40

#1D105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1D105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D105C

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D105C	#FFFFFF	#000000	##FFFFFF
##1D105C	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225E

Deuteranopia (green-blind)

#001D5B

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1d105c;
/* rgb */ color: rgb(29, 16, 92);
/* oklch */ color: oklch(25.5% 0.125 280.5);

Tailwind

colors: {
  custom: {
    50: '#63508b',
    500: '#1d105c',
    950: '#000000',
  },
}

SCSS

$custom: #1d105c;
$custom-light: #63508b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d105c",
  "rgb": {
    "r": 29,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 250.263,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25478,
    "c": 0.12548,
    "h": 280.5
  },
  "luminance": 0.01404
}

Semantic roles & 50–950 ramp

primary

#1D105C

secondary

#849533

accent

#ED3BCF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D105C

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

Preview Lab → · Contrast checker → · Palette generator →