#1F115A#1F115A

#1F115A is a dark, vivid violet. Relative luminance 0.014; OKLCH L 25.6% C 0.121 H 282.4°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F115A
RGB	rgb(31, 17, 90)
HSL	hsl(252, 68%, 21%)
HSV	hsv(252, 81%, 35%)
CMYK	cmyk(65.6%, 81.1%, 0%, 64.7%)
CIE-LAB	lab(12.16, 29.49, -41.11)
CIE-LCH	lch(12.16, 50.59, 305.65°)
OKLab	oklab(25.58% 0.026 -0.1185)
OKLCH	oklch(25.58% 0.121 282.4)
XYZ	xyz(2.6104, 1.4302, 9.8094)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F115A #4C5A11

analogous

#11275A #1F115A #43115A

triadic

#1F115A #5A1F11 #115A1F

tetradic

#1F115A #5A1127 #4C5A11 #115A43

square

#1F115A #5A1127 #4C5A11 #115A43

split-complementary

#1F115A #5A4311 #275A11

monochromatic

#09051A #0D0727 #1F115A #311B8D #4224C1

Accessibility & contrast

On white

16.33

#1F115A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1F115A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F115A

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F115A	#FFFFFF	#000000	##FFFFFF
##1F115A	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225C

Deuteranopia (green-blind)

#001D59

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1f115a;
/* rgb */ color: rgb(31, 17, 90);
/* oklch */ color: oklch(25.6% 0.121 282.4);

Tailwind

colors: {
  custom: {
    50: '#645189',
    500: '#1f115a',
    950: '#000000',
  },
}

SCSS

$custom: #1f115a;
$custom-light: #645189;
$custom-dark: #000000;

JSON

{
  "hex": "#1f115a",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 90
  },
  "hsl": {
    "h": 251.507,
    "s": 68.224,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25579,
    "c": 0.12138,
    "h": 282.4
  },
  "luminance": 0.0143
}

Semantic roles & 50–950 ramp

primary

#1F115A

secondary

#819334

accent

#EB3DCA

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1F115A

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

Preview Lab → · Contrast checker → · Palette generator →