#4233AF#4233AF

#4233AF is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.187 H 280.3°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#4233AF
RGB	rgb(66, 51, 175)
HSL	hsl(247, 55%, 44%)
HSV	hsv(247, 71%, 69%)
CMYK	cmyk(62.3%, 70.9%, 0%, 31.4%)
CIE-LAB	lab(30.93, 42.61, -63.80)
CIE-LCH	lch(30.93, 76.72, 303.74°)
OKLab	oklab(42.29% 0.0333 -0.184)
OKLCH	oklch(42.29% 0.187 280.3)
XYZ	xyz(11.1660, 6.6202, 41.2385)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4233AF #A0AF33

analogous

#3362AF #4233AF #8033AF

triadic

#4233AF #AF4233 #33AF42

tetradic

#4233AF #AF3362 #A0AF33 #33AF80

square

#4233AF #AF3362 #A0AF33 #33AF80

split-complementary

#4233AF #AF8033 #62AF33

monochromatic

#1E1750 #302580 #4233AF #6152CD #8D82DB

Accessibility & contrast

On white

9.04

#4233AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#4233AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233AF

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4233AF	#FFFFFF	#000000	##FFFFFF
##4233AF	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB3

Deuteranopia (green-blind)

#0044AD

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4233af;
/* rgb */ color: rgb(66, 51, 175);
/* oklch */ color: oklch(42.3% 0.187 280.3);

Tailwind

colors: {
  custom: {
    50: '#836cc8',
    500: '#4233af',
    950: '#000000',
  },
}

SCSS

$custom: #4233af;
$custom-light: #836cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4233af",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 175
  },
  "hsl": {
    "h": 247.258,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42287,
    "c": 0.18695,
    "h": 280.3
  },
  "luminance": 0.06621
}

Semantic roles & 50–950 ramp

primary

#4233AF

secondary

#BBC47A

accent

#DE4ACC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4233AF

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

Preview Lab → · Contrast checker → · Palette generator →