#4231DB#4231DB

#4231DB is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.4% C 0.241 H 275.9°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#4231DB
RGB	rgb(66, 49, 219)
HSL	hsl(246, 70%, 53%)
HSV	hsv(246, 78%, 86%)
CMYK	cmyk(69.9%, 77.6%, 0%, 14.1%)
CIE-LAB	lab(34.94, 57.24, -82.95)
CIE-LCH	lch(34.94, 100.79, 304.61°)
OKLab	oklab(46.43% 0.0249 -0.2398)
OKLCH	oklch(46.43% 0.241 275.9)
XYZ	xyz(16.1271, 8.4678, 67.7887)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4231DB #CADB31

analogous

#3175DB #4231DB #9731DB

triadic

#4231DB #DB4231 #31DB42

tetradic

#4231DB #DB3175 #CADB31 #31DB97

square

#4231DB #DB3175 #CADB31 #31DB97

split-complementary

#4231DB #DB9731 #75DB31

monochromatic

#20167C #2D1FB0 #4231DB #7265E4 #A299ED

Accessibility & contrast

On white

7.80

#4231DB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4231DB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231DB

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231DB	#FFFFFF	#000000	##FFFFFF
##4231DB	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059E0

Deuteranopia (green-blind)

#004BD8

Tritanopia (blue-blind)

#006586

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4231db;
/* rgb */ color: rgb(66, 49, 219);
/* oklch */ color: oklch(46.4% 0.241 275.9);

Tailwind

colors: {
  custom: {
    50: '#8c6de8',
    500: '#4231db',
    950: '#000000',
  },
}

SCSS

$custom: #4231db;
$custom-light: #8c6de8;
$custom-dark: #000000;

JSON

{
  "hex": "#4231db",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 219
  },
  "hsl": {
    "h": 246,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46431,
    "c": 0.2411,
    "h": 275.9
  },
  "luminance": 0.08469
}

Semantic roles & 50–950 ramp

primary

#4231DB

secondary

#D1D98F

accent

#ED3BDB

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #4231DB

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

Preview Lab → · Contrast checker → · Palette generator →