#1F115C#1F115C

#1F115C is a dark, vivid violet. Relative luminance 0.015; OKLCH L 25.8% C 0.124 H 281.8°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#1F115C
RGB	rgb(31, 17, 92)
HSL	hsl(251, 69%, 21%)
HSV	hsv(251, 82%, 36%)
CMYK	cmyk(66.3%, 81.5%, 0%, 63.9%)
CIE-LAB	lab(12.38, 30.16, -42.09)
CIE-LCH	lch(12.38, 51.78, 305.63°)
OKLab	oklab(25.8% 0.0255 -0.1214)
OKLCH	oklch(25.8% 0.124 281.8)
XYZ	xyz(2.6967, 1.4647, 10.2638)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F115C #4E5C11

analogous

#11295C #1F115C #45115C

triadic

#1F115C #5C1F11 #115C1F

tetradic

#1F115C #5C1129 #4E5C11 #115C45

square

#1F115C #5C1129 #4E5C11 #115C45

split-complementary

#1F115C #5C4511 #295C11

monochromatic

#09051A #0E0728 #1F115C #301B90 #4224C3

Accessibility & contrast

On white

16.24

#1F115C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1F115C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F115C

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F115C	#FFFFFF	#000000	##FFFFFF
##1F115C	1.00	16.24	1.29	16.24
#FFFFFF	16.24	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235E

Deuteranopia (green-blind)

#001E5B

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1f115c;
/* rgb */ color: rgb(31, 17, 92);
/* oklch */ color: oklch(25.8% 0.124 281.8);

Tailwind

colors: {
  custom: {
    50: '#64518b',
    500: '#1f115c',
    950: '#000000',
  },
}

SCSS

$custom: #1f115c;
$custom-light: #64518b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f115c",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 92
  },
  "hsl": {
    "h": 251.2,
    "s": 68.807,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25804,
    "c": 0.12404,
    "h": 281.8
  },
  "luminance": 0.01465
}

Semantic roles & 50–950 ramp

primary

#1F115C

secondary

#839534

accent

#EC3CCB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1F115C

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

Preview Lab → · Contrast checker → · Palette generator →