#4233DB#4233DB

#4233DB is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.7% C 0.239 H 275.8°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4233DB
RGB	rgb(66, 51, 219)
HSL	hsl(245, 70%, 53%)
HSV	hsv(245, 77%, 86%)
CMYK	cmyk(69.9%, 76.7%, 0%, 14.1%)
CIE-LAB	lab(35.28, 56.26, -82.39)
CIE-LCH	lch(35.28, 99.77, 304.33°)
OKLab	oklab(46.67% 0.024 -0.2382)
OKLCH	oklch(46.67% 0.239 275.8)
XYZ	xyz(16.2126, 8.6388, 67.8172)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.78

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4233DB #CCDB33

analogous

#3378DB #4233DB #9633DB

triadic

#4233DB #DB4233 #33DB42

tetradic

#4233DB #DB3378 #CCDB33 #33DB96

square

#4233DB #DB3378 #CCDB33 #33DB96

split-complementary

#4233DB #DB9633 #78DB33

monochromatic

#1F167D #2C1FB1 #4233DB #7267E4 #A29BED

Accessibility & contrast

On white

7.70

#4233DB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4233DB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233DB

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4233DB	#FFFFFF	#000000	##FFFFFF
##4233DB	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AE0

Deuteranopia (green-blind)

#004BD8

Tritanopia (blue-blind)

#006586

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4233db;
/* rgb */ color: rgb(66, 51, 219);
/* oklch */ color: oklch(46.7% 0.239 275.8);

Tailwind

colors: {
  custom: {
    50: '#8c6ee8',
    500: '#4233db',
    950: '#000000',
  },
}

SCSS

$custom: #4233db;
$custom-light: #8c6ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4233db",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 219
  },
  "hsl": {
    "h": 245.357,
    "s": 70,
    "l": 52.941
  },
  "oklch": {
    "l": 0.46669,
    "c": 0.2394,
    "h": 275.8
  },
  "luminance": 0.0864
}

Semantic roles & 50–950 ramp

primary

#4233DB

secondary

#D3D991

accent

#ED3BDD

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #4233DB

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

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