#4231BA#4231BA

#4231BA is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.1% C 0.203 H 279.2°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#4231BA
RGB	rgb(66, 49, 186)
HSL	hsl(247, 58%, 46%)
HSV	hsv(247, 74%, 73%)
CMYK	cmyk(64.5%, 73.7%, 0%, 27.1%)
CIE-LAB	lab(31.58, 47.19, -69.27)
CIE-LCH	lch(31.58, 83.81, 304.26°)
OKLab	oklab(43.07% 0.0325 -0.1999)
OKLCH	oklch(43.07% 0.203 279.2)
XYZ	xyz(12.2052, 6.8991, 47.1333)
Luminance	0.0690 (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

#4231BA #A9BA31

analogous

#3164BA #4231BA #8631BA

triadic

#4231BA #BA4231 #31BA42

tetradic

#4231BA #BA3164 #A9BA31 #31BA86

square

#4231BA #BA3164 #A9BA31 #31BA86

split-complementary

#4231BA #BA8631 #64BA31

monochromatic

#201759 #31248A #4231BA #6556D2 #9186DF

Accessibility & contrast

On white

8.82

#4231BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4231BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231BA

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231BA	#FFFFFF	#000000	##FFFFFF
##4231BA	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBE

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4231ba;
/* rgb */ color: rgb(66, 49, 186);
/* oklch */ color: oklch(43.1% 0.203 279.2);

Tailwind

colors: {
  custom: {
    50: '#866cd0',
    500: '#4231ba',
    950: '#000000',
  },
}

SCSS

$custom: #4231ba;
$custom-light: #866cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4231ba",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 186
  },
  "hsl": {
    "h": 247.445,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43067,
    "c": 0.20256,
    "h": 279.2
  },
  "luminance": 0.069
}

Semantic roles & 50–950 ramp

primary

#4231BA

secondary

#C0C97E

accent

#E246CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0D0714

muted

#7D7A82

Preview Lab

Preview with #4231BA

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

Preview Lab → · Contrast checker → · Palette generator →