#4231BD#4231BD

#4231BD is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.4% C 0.206 H 278.9°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#4231BD
RGB	rgb(66, 49, 189)
HSL	hsl(247, 59%, 47%)
HSV	hsv(247, 74%, 74%)
CMYK	cmyk(65.1%, 74.1%, 0%, 25.9%)
CIE-LAB	lab(31.87, 48.12, -70.55)
CIE-LCH	lch(31.87, 85.40, 304.29°)
OKLab	oklab(43.36% 0.0319 -0.2037)
OKLCH	oklch(43.36% 0.206 278.9)
XYZ	xyz(12.5274, 7.0280, 48.8306)
Luminance	0.0703 (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

#4231BD #ACBD31

analogous

#3166BD #4231BD #8831BD

triadic

#4231BD #BD4231 #31BD42

tetradic

#4231BD #BD3166 #ACBD31 #31BD88

square

#4231BD #BD3166 #ACBD31 #31BD88

split-complementary

#4231BD #BD8831 #66BD31

monochromatic

#20185C #31248C #4231BD #6758D4 #9388E0

Accessibility & contrast

On white

8.73

#4231BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4231BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231BD

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231BD	#FFFFFF	#000000	##FFFFFF
##4231BD	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C1

Deuteranopia (green-blind)

#0045BA

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4231bd;
/* rgb */ color: rgb(66, 49, 189);
/* oklch */ color: oklch(43.4% 0.206 278.9);

Tailwind

colors: {
  custom: {
    50: '#866cd2',
    500: '#4231bd',
    950: '#000000',
  },
}

SCSS

$custom: #4231bd;
$custom-light: #866cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4231bd",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 189
  },
  "hsl": {
    "h": 247.286,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43364,
    "c": 0.20617,
    "h": 278.9
  },
  "luminance": 0.07029
}

Semantic roles & 50–950 ramp

primary

#4231BD

secondary

#C1CA80

accent

#E246CF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4231BD

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

Preview Lab → · Contrast checker → · Palette generator →