#4233DD#4233DD

#4233DD is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.9% C 0.242 H 275.6°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#4233DD
RGB	rgb(66, 51, 221)
HSL	hsl(245, 71%, 53%)
HSV	hsv(245, 77%, 87%)
CMYK	cmyk(70.1%, 76.9%, 0%, 13.3%)
CIE-LAB	lab(35.49, 56.86, -83.19)
CIE-LCH	lch(35.49, 100.77, 304.35°)
OKLab	oklab(46.88% 0.0235 -0.2405)
OKLCH	oklch(46.88% 0.242 275.6)
XYZ	xyz(16.4774, 8.7448, 69.2121)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4233DD #CEDD33

analogous

#3379DD #4233DD #9733DD

triadic

#4233DD #DD4233 #33DD42

tetradic

#4233DD #DD3379 #CEDD33 #33DD97

square

#4233DD #DD3379 #CEDD33 #33DD97

split-complementary

#4233DD #DD9733 #79DD33

monochromatic

#1F1580 #2B1EB5 #4233DD #7367E6 #A39CEE

Accessibility & contrast

On white

7.64

#4233DD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4233DD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233DD

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4233DD	#FFFFFF	#000000	##FFFFFF
##4233DD	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BE2

Deuteranopia (green-blind)

#004CDA

Tritanopia (blue-blind)

#006687

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4233dd;
/* rgb */ color: rgb(66, 51, 221);
/* oklch */ color: oklch(46.9% 0.242 275.6);

Tailwind

colors: {
  custom: {
    50: '#8d6ee9',
    500: '#4233dd',
    950: '#000000',
  },
}

SCSS

$custom: #4233dd;
$custom-light: #8d6ee9;
$custom-dark: #000000;

JSON

{
  "hex": "#4233dd",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 221
  },
  "hsl": {
    "h": 245.294,
    "s": 71.429,
    "l": 53.333
  },
  "oklch": {
    "l": 0.46877,
    "c": 0.24168,
    "h": 275.6
  },
  "luminance": 0.08746
}

Semantic roles & 50–950 ramp

primary

#4233DD

secondary

#D4DA91

accent

#EE3ADE

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #4233DD

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

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