#4231AF#4231AF

#4231AF is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.0% C 0.189 H 280.6°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#4231AF
RGB	rgb(66, 49, 175)
HSL	hsl(248, 56%, 44%)
HSV	hsv(248, 72%, 69%)
CMYK	cmyk(62.3%, 72%, 0%, 31.4%)
CIE-LAB	lab(30.52, 43.74, -64.47)
CIE-LCH	lch(30.52, 77.91, 304.16°)
OKLab	oklab(42% 0.0348 -0.1859)
OKLCH	oklch(42% 0.189 280.6)
XYZ	xyz(11.0805, 6.4492, 41.2100)
Luminance	0.0645 (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

#4231AF #9EAF31

analogous

#315FAF #4231AF #8131AF

triadic

#4231AF #AF4231 #31AF42

tetradic

#4231AF #AF315F #9EAF31 #31AF81

square

#4231AF #AF315F #9EAF31 #31AF81

split-complementary

#4231AF #AF8131 #5FAF31

monochromatic

#1E164F #30247F #4231AF #604FCE #8C7FDB

Accessibility & contrast

On white

9.17

#4231AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#4231AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231AF

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231AF	#FFFFFF	#000000	##FFFFFF
##4231AF	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB3

Deuteranopia (green-blind)

#0043AD

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4231af;
/* rgb */ color: rgb(66, 49, 175);
/* oklch */ color: oklch(42.0% 0.189 280.6);

Tailwind

colors: {
  custom: {
    50: '#846bc8',
    500: '#4231af',
    950: '#000000',
  },
}

SCSS

$custom: #4231af;
$custom-light: #846bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4231af",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 175
  },
  "hsl": {
    "h": 248.095,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41996,
    "c": 0.18913,
    "h": 280.6
  },
  "luminance": 0.0645
}

Semantic roles & 50–950 ramp

primary

#4231AF

secondary

#BAC478

accent

#E048CB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4231AF

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

Preview Lab → · Contrast checker → · Palette generator →