#3011B4#3011B4

#3011B4 is a dark, highly saturated violet. Relative luminance 0.043; OKLCH L 37.8% C 0.224 H 275.6°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#3011B4
RGB	rgb(48, 17, 180)
HSL	hsl(251, 83%, 39%)
HSV	hsv(251, 91%, 71%)
CMYK	cmyk(73.3%, 90.6%, 0%, 29.4%)
CIE-LAB	lab(24.71, 57.81, -77.10)
CIE-LCH	lch(24.71, 96.36, 306.86°)
OKLab	oklab(37.76% 0.0218 -0.2227)
OKLCH	oklch(37.76% 0.224 275.6)
XYZ	xyz(9.6549, 4.3236, 43.4969)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3011B4 #95B411

analogous

#1143B4 #3011B4 #8111B4

triadic

#3011B4 #B43011 #11B430

tetradic

#3011B4 #B41143 #95B411 #11B481

square

#3011B4 #B41143 #95B411 #11B481

split-complementary

#3011B4 #B48111 #43B411

monochromatic

#120644 #210C7C #3011B4 #4119E9 #6F51EF

Accessibility & contrast

On white

11.26

#3011B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#3011B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3011B4

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3011B4	#FFFFFF	#000000	##FFFFFF
##3011B4	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B8

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004B6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3011b4;
/* rgb */ color: rgb(48, 17, 180);
/* oklch */ color: oklch(37.8% 0.224 275.6);

Tailwind

colors: {
  custom: {
    50: '#7f5acc',
    500: '#3011b4',
    950: '#000000',
  },
}

SCSS

$custom: #3011b4;
$custom-light: #7f5acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3011b4",
  "rgb": {
    "r": 48,
    "g": 17,
    "b": 180
  },
  "hsl": {
    "h": 251.411,
    "s": 82.741,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37759,
    "c": 0.22373,
    "h": 275.6
  },
  "luminance": 0.04325
}

Semantic roles & 50–950 ramp

primary

#3011B4

secondary

#B8D050

accent

#F92FD3

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #3011B4

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

Preview Lab → · Contrast checker → · Palette generator →