#1D105B#1D105B

#1D105B is a dark, vivid violet. Relative luminance 0.014; OKLCH L 25.4% C 0.124 H 280.8°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D105B
RGB	rgb(29, 16, 91)
HSL	hsl(250, 70%, 21%)
HSV	hsv(250, 82%, 36%)
CMYK	cmyk(68.1%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(11.87, 30.13, -42.27)
CIE-LCH	lch(11.87, 51.91, 305.49°)
OKLab	oklab(25.36% 0.0232 -0.122)
OKLCH	oklch(25.36% 0.124 280.8)
XYZ	xyz(2.5797, 1.3869, 10.0273)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D105B #4E5B10

analogous

#10285B #1D105B #42105B

triadic

#1D105B #5B1D10 #105B1D

tetradic

#1D105B #5B1028 #4E5B10 #105B42

square

#1D105B #5B1028 #4E5B10 #105B42

split-complementary

#1D105B #5B4210 #285B10

monochromatic

#08051A #0C0727 #1D105B #2E198F #3E22C3

Accessibility & contrast

On white

16.44

#1D105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1D105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D105B

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D105B	#FFFFFF	#000000	##FFFFFF
##1D105B	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225D

Deuteranopia (green-blind)

#001C5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1d105b;
/* rgb */ color: rgb(29, 16, 91);
/* oklch */ color: oklch(25.4% 0.124 280.8);

Tailwind

colors: {
  custom: {
    50: '#63508a',
    500: '#1d105b',
    950: '#000000',
  },
}

SCSS

$custom: #1d105b;
$custom-light: #63508a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d105b",
  "rgb": {
    "r": 29,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 250.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25362,
    "c": 0.12415,
    "h": 280.8
  },
  "luminance": 0.01387
}

Semantic roles & 50–950 ramp

primary

#1D105B

secondary

#839433

accent

#ED3BCE

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D105B

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

Preview Lab → · Contrast checker → · Palette generator →