#4231AE#4231AE

#4231AE is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.9% C 0.188 H 280.7°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#4231AE
RGB	rgb(66, 49, 174)
HSL	hsl(248, 56%, 44%)
HSV	hsv(248, 72%, 68%)
CMYK	cmyk(62.1%, 71.8%, 0%, 31.8%)
CIE-LAB	lab(30.42, 43.43, -64.02)
CIE-LCH	lch(30.42, 77.36, 304.15°)
OKLab	oklab(41.9% 0.035 -0.1846)
OKLCH	oklch(41.9% 0.188 280.7)
XYZ	xyz(10.9826, 6.4101, 40.6947)
Luminance	0.0641 (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

#4231AE #9DAE31

analogous

#315EAE #4231AE #8031AE

triadic

#4231AE #AE4231 #31AE42

tetradic

#4231AE #AE315E #9DAE31 #31AE80

square

#4231AE #AE315E #9DAE31 #31AE80

split-complementary

#4231AE #AE8031 #5EAE31

monochromatic

#1E164E #30247E #4231AE #604FCD #8B7FDB

Accessibility & contrast

On white

9.20

#4231AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#4231AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231AE

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231AE	#FFFFFF	#000000	##FFFFFF
##4231AE	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB2

Deuteranopia (green-blind)

#0043AC

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4231ae;
/* rgb */ color: rgb(66, 49, 174);
/* oklch */ color: oklch(41.9% 0.188 280.7);

Tailwind

colors: {
  custom: {
    50: '#836bc7',
    500: '#4231ae',
    950: '#000000',
  },
}

SCSS

$custom: #4231ae;
$custom-light: #836bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4231ae",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 174
  },
  "hsl": {
    "h": 248.16,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.419,
    "c": 0.1879,
    "h": 280.7
  },
  "luminance": 0.06411
}

Semantic roles & 50–950 ramp

primary

#4231AE

secondary

#B9C477

accent

#DF48CB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4231AE

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

Preview Lab → · Contrast checker → · Palette generator →