#3111B4#3111B4

#3111B4 is a dark, highly saturated violet. Relative luminance 0.043; OKLCH L 37.8% C 0.223 H 276.0°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#3111B4
RGB	rgb(49, 17, 180)
HSL	hsl(252, 83%, 39%)
HSV	hsv(252, 91%, 71%)
CMYK	cmyk(72.8%, 90.6%, 0%, 29.4%)
CIE-LAB	lab(24.79, 57.86, -76.97)
CIE-LCH	lch(24.79, 96.29, 306.93°)
OKLab	oklab(37.83% 0.0232 -0.2223)
OKLCH	oklch(37.83% 0.223 276)
XYZ	xyz(9.7026, 4.3482, 43.4991)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3111B4 #94B411

analogous

#1142B4 #3111B4 #8211B4

triadic

#3111B4 #B43111 #11B431

tetradic

#3111B4 #B41142 #94B411 #11B482

square

#3111B4 #B41142 #94B411 #11B482

split-complementary

#3111B4 #B48211 #42B411

monochromatic

#130644 #220C7C #3111B4 #4219E9 #7051EF

Accessibility & contrast

On white

11.23

#3111B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#3111B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3111B4

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3111B4	#FFFFFF	#000000	##FFFFFF
##3111B4	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B8

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004B6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3111b4;
/* rgb */ color: rgb(49, 17, 180);
/* oklch */ color: oklch(37.8% 0.223 276.0);

Tailwind

colors: {
  custom: {
    50: '#805acc',
    500: '#3111b4',
    950: '#000000',
  },
}

SCSS

$custom: #3111b4;
$custom-light: #805acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3111b4",
  "rgb": {
    "r": 49,
    "g": 17,
    "b": 180
  },
  "hsl": {
    "h": 251.779,
    "s": 82.741,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37831,
    "c": 0.22348,
    "h": 276
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#3111B4

secondary

#B7D050

accent

#F92FD1

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #3111B4

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

Preview Lab → · Contrast checker → · Palette generator →