#3711CA#3711CA

#3711CA is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.9% C 0.245 H 275.7°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#3711CA
RGB	rgb(55, 17, 202)
HSL	hsl(252, 84%, 43%)
HSV	hsv(252, 92%, 79%)
CMYK	cmyk(72.8%, 91.6%, 0%, 20.8%)
CIE-LAB	lab(28.05, 63.94, -84.55)
CIE-LCH	lch(28.05, 106.00, 307.10°)
OKLab	oklab(40.93% 0.0243 -0.2441)
OKLCH	oklch(40.93% 0.245 275.7)
XYZ	xyz(12.4332, 5.4762, 56.2674)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3711CA #A4CA11

analogous

#1148CA #3711CA #9311CA

triadic

#3711CA #CA3711 #11CA37

tetradic

#3711CA #CA1148 #A4CA11 #11CA93

square

#3711CA #CA1148 #A4CA11 #11CA93

split-complementary

#3711CA #CA9311 #48CA11

monochromatic

#180759 #280C92 #3711CA #532BED #8163F2

Accessibility & contrast

On white

10.02

#3711CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3711CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3711CA

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3711CA	#FFFFFF	#000000	##FFFFFF
##3711CA	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049CF

Deuteranopia (green-blind)

#003AC7

Tritanopia (blue-blind)

#005477

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3711ca;
/* rgb */ color: rgb(55, 17, 202);
/* oklch */ color: oklch(40.9% 0.245 275.7);

Tailwind

colors: {
  custom: {
    50: '#875ddc',
    500: '#3711ca',
    950: '#000000',
  },
}

SCSS

$custom: #3711ca;
$custom-light: #875ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3711ca",
  "rgb": {
    "r": 55,
    "g": 17,
    "b": 202
  },
  "hsl": {
    "h": 252.324,
    "s": 84.475,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40933,
    "c": 0.24532,
    "h": 275.7
  },
  "luminance": 0.05477
}

Semantic roles & 50–950 ramp

primary

#3711CA

secondary

#BED661

accent

#FB2DD0

background

#F9F5FD

surface

#F2EAFB

border

#CCC6D4

text

#0D0515

muted

#7E7983

Preview Lab

Preview with #3711CA

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

Preview Lab → · Contrast checker → · Palette generator →