#4233D9#4233D9

#4233D9 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.5% C 0.237 H 275.9°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#4233D9
RGB	rgb(66, 51, 217)
HSL	hsl(245, 69%, 53%)
HSV	hsv(245, 76%, 85%)
CMYK	cmyk(69.6%, 76.5%, 0%, 14.9%)
CIE-LAB	lab(35.07, 55.66, -81.58)
CIE-LCH	lch(35.07, 98.76, 304.30°)
OKLab	oklab(46.46% 0.0245 -0.2358)
OKLCH	oklch(46.46% 0.237 275.9)
XYZ	xyz(15.9509, 8.5342, 66.4388)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.69

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4233D9 #CAD933

analogous

#3377D9 #4233D9 #9533D9

triadic

#4233D9 #D94233 #33D942

tetradic

#4233D9 #D93377 #CAD933 #33D995

square

#4233D9 #D93377 #CAD933 #33D995

split-complementary

#4233D9 #D99533 #77D933

monochromatic

#20177B #2D20AE #4233D9 #7267E3 #A29AEC

Accessibility & contrast

On white

7.76

#4233D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4233D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233D9

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4233D9	#FFFFFF	#000000	##FFFFFF
##4233D9	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ADE

Deuteranopia (green-blind)

#004BD6

Tritanopia (blue-blind)

#006585

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4233d9;
/* rgb */ color: rgb(66, 51, 217);
/* oklch */ color: oklch(46.5% 0.237 275.9);

Tailwind

colors: {
  custom: {
    50: '#8c6ee6',
    500: '#4233d9',
    950: '#000000',
  },
}

SCSS

$custom: #4233d9;
$custom-light: #8c6ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#4233d9",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 217
  },
  "hsl": {
    "h": 245.422,
    "s": 68.595,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46462,
    "c": 0.23711,
    "h": 275.9
  },
  "luminance": 0.08536
}

Semantic roles & 50–950 ramp

primary

#4233D9

secondary

#D1D890

accent

#EB3CDC

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #4233D9

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

Preview Lab → · Contrast checker → · Palette generator →