#4231BE#4231BE

#4231BE is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.207 H 278.8°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#4231BE
RGB	rgb(66, 49, 190)
HSL	hsl(247, 59%, 47%)
HSV	hsv(247, 74%, 75%)
CMYK	cmyk(65.3%, 74.2%, 0%, 25.5%)
CIE-LAB	lab(31.97, 48.43, -70.98)
CIE-LCH	lch(31.97, 85.93, 304.30°)
OKLab	oklab(43.46% 0.0316 -0.2049)
OKLCH	oklch(43.46% 0.207 278.8)
XYZ	xyz(12.6364, 7.0715, 49.4042)
Luminance	0.0707 (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

#4231BE #ADBE31

analogous

#3167BE #4231BE #8931BE

triadic

#4231BE #BE4231 #31BE42

tetradic

#4231BE #BE3167 #ADBE31 #31BE89

square

#4231BE #BE3167 #ADBE31 #31BE89

split-complementary

#4231BE #BE8931 #67BE31

monochromatic

#20185D #31248D #4231BE #6758D4 #9389E1

Accessibility & contrast

On white

8.70

#4231BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4231BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231BE

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231BE	#FFFFFF	#000000	##FFFFFF
##4231BE	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C2

Deuteranopia (green-blind)

#0045BB

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4231be;
/* rgb */ color: rgb(66, 49, 190);
/* oklch */ color: oklch(43.5% 0.207 278.8);

Tailwind

colors: {
  custom: {
    50: '#876cd3',
    500: '#4231be',
    950: '#000000',
  },
}

SCSS

$custom: #4231be;
$custom-light: #876cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4231be",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 190
  },
  "hsl": {
    "h": 247.234,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43463,
    "c": 0.20737,
    "h": 278.8
  },
  "luminance": 0.07073
}

Semantic roles & 50–950 ramp

primary

#4231BE

secondary

#C1CA80

accent

#E246CF

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4231BE

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

Preview Lab → · Contrast checker → · Palette generator →