#4231BF#4231BF

#4231BF is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.6% C 0.209 H 278.7°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#4231BF
RGB	rgb(66, 49, 191)
HSL	hsl(247, 59%, 47%)
HSV	hsv(247, 74%, 75%)
CMYK	cmyk(65.4%, 74.3%, 0%, 25.1%)
CIE-LAB	lab(32.07, 48.74, -71.41)
CIE-LCH	lch(32.07, 86.45, 304.31°)
OKLab	oklab(43.56% 0.0314 -0.2062)
OKLCH	oklch(43.56% 0.209 278.7)
XYZ	xyz(12.7460, 7.1154, 49.9818)
Luminance	0.0712 (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

#4231BF #AEBF31

analogous

#3167BF #4231BF #8931BF

triadic

#4231BF #BF4231 #31BF42

tetradic

#4231BF #BF3167 #AEBF31 #31BF89

square

#4231BF #BF3167 #AEBF31 #31BF89

split-complementary

#4231BF #BF8931 #67BF31

monochromatic

#20185E #31258E #4231BF #6859D4 #948AE1

Accessibility & contrast

On white

8.67

#4231BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4231BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231BF

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231BF	#FFFFFF	#000000	##FFFFFF
##4231BF	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C3

Deuteranopia (green-blind)

#0046BC

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4231bf;
/* rgb */ color: rgb(66, 49, 191);
/* oklch */ color: oklch(43.6% 0.209 278.7);

Tailwind

colors: {
  custom: {
    50: '#876cd4',
    500: '#4231bf',
    950: '#000000',
  },
}

SCSS

$custom: #4231bf;
$custom-light: #876cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4231bf",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 191
  },
  "hsl": {
    "h": 247.183,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43563,
    "c": 0.20856,
    "h": 278.7
  },
  "luminance": 0.07116
}

Semantic roles & 50–950 ramp

primary

#4231BF

secondary

#C2CB81

accent

#E245D0

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4231BF

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

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