#1F115D#1F115D

#1F115D is a dark, vivid violet. Relative luminance 0.015; OKLCH L 25.9% C 0.125 H 281.6°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F115D
RGB	rgb(31, 17, 93)
HSL	hsl(251, 69%, 22%)
HSV	hsv(251, 82%, 36%)
CMYK	cmyk(66.7%, 81.7%, 0%, 63.5%)
CIE-LAB	lab(12.50, 30.50, -42.57)
CIE-LCH	lch(12.50, 52.37, 305.62°)
OKLab	oklab(25.92% 0.0252 -0.1228)
OKLCH	oklch(25.92% 0.125 281.6)
XYZ	xyz(2.7407, 1.4823, 10.4955)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F115D #4F5D11

analogous

#11295D #1F115D #45115D

triadic

#1F115D #5D1F11 #115D1F

tetradic

#1F115D #5D1129 #4F5D11 #115D45

square

#1F115D #5D1129 #4F5D11 #115D45

split-complementary

#1F115D #5D4511 #295D11

monochromatic

#09051A #0E0829 #1F115D #301A91 #4124C4

Accessibility & contrast

On white

16.20

#1F115D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1F115D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F115D

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F115D	#FFFFFF	#000000	##FFFFFF
##1F115D	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235F

Deuteranopia (green-blind)

#001E5C

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1f115d;
/* rgb */ color: rgb(31, 17, 93);
/* oklch */ color: oklch(25.9% 0.125 281.6);

Tailwind

colors: {
  custom: {
    50: '#64518c',
    500: '#1f115d',
    950: '#000000',
  },
}

SCSS

$custom: #1f115d;
$custom-light: #64518c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f115d",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 93
  },
  "hsl": {
    "h": 251.053,
    "s": 69.091,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25917,
    "c": 0.12536,
    "h": 281.6
  },
  "luminance": 0.01483
}

Semantic roles & 50–950 ramp

primary

#1F115D

secondary

#849634

accent

#EC3CCB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1F115D

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

Preview Lab → · Contrast checker → · Palette generator →