#4231AC#4231AC

#4231AC is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.7% C 0.185 H 281.0°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#4231AC
RGB	rgb(66, 49, 172)
HSL	hsl(248, 56%, 43%)
HSV	hsv(248, 72%, 67%)
CMYK	cmyk(61.6%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(30.24, 42.80, -63.13)
CIE-LCH	lch(30.24, 76.27, 304.13°)
OKLab	oklab(41.71% 0.0353 -0.182)
OKLCH	oklch(41.71% 0.185 281)
XYZ	xyz(10.7891, 6.3327, 39.6755)
Luminance	0.0633 (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

#4231AC #9BAC31

analogous

#315DAC #4231AC #7F31AC

triadic

#4231AC #AC4231 #31AC42

tetradic

#4231AC #AC315D #9BAC31 #31AC7F

square

#4231AC #AC315D #9BAC31 #31AC7F

split-complementary

#4231AC #AC7F31 #5DAC31

monochromatic

#1D164D #30237C #4231AC #5F4ECC #8A7DDA

Accessibility & contrast

On white

9.26

#4231AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#4231AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231AC

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231AC	#FFFFFF	#000000	##FFFFFF
##4231AC	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB0

Deuteranopia (green-blind)

#0043AA

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4231ac;
/* rgb */ color: rgb(66, 49, 172);
/* oklch */ color: oklch(41.7% 0.185 281.0);

Tailwind

colors: {
  custom: {
    50: '#836bc6',
    500: '#4231ac',
    950: '#000000',
  },
}

SCSS

$custom: #4231ac;
$custom-light: #836bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4231ac",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 248.293,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41709,
    "c": 0.18541,
    "h": 281
  },
  "luminance": 0.06333
}

Semantic roles & 50–950 ramp

primary

#4231AC

secondary

#B8C376

accent

#DF49CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4231AC

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

Preview Lab → · Contrast checker → · Palette generator →