#4231B9#4231B9

#4231B9 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.0% C 0.201 H 279.3°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#4231B9
RGB	rgb(66, 49, 185)
HSL	hsl(248, 58%, 46%)
HSV	hsv(248, 74%, 73%)
CMYK	cmyk(64.3%, 73.5%, 0%, 27.5%)
CIE-LAB	lab(31.48, 46.87, -68.83)
CIE-LCH	lch(31.48, 83.28, 304.25°)
OKLab	oklab(42.97% 0.0327 -0.1987)
OKLCH	oklch(42.97% 0.201 279.3)
XYZ	xyz(12.0992, 6.8567, 46.5754)
Luminance	0.0686 (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

#4231B9 #A8B931

analogous

#3164B9 #4231B9 #8631B9

triadic

#4231B9 #B94231 #31B942

tetradic

#4231B9 #B93164 #A8B931 #31B986

square

#4231B9 #B93164 #A8B931 #31B986

split-complementary

#4231B9 #B98631 #64B931

monochromatic

#1F1758 #312489 #4231B9 #6555D2 #9186DF

Accessibility & contrast

On white

8.85

#4231B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#4231B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231B9

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231B9	#FFFFFF	#000000	##FFFFFF
##4231B9	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4231b9;
/* rgb */ color: rgb(66, 49, 185);
/* oklch */ color: oklch(43.0% 0.201 279.3);

Tailwind

colors: {
  custom: {
    50: '#866ccf',
    500: '#4231b9',
    950: '#000000',
  },
}

SCSS

$custom: #4231b9;
$custom-light: #866ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#4231b9",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 185
  },
  "hsl": {
    "h": 247.5,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42968,
    "c": 0.20135,
    "h": 279.3
  },
  "luminance": 0.06858
}

Semantic roles & 50–950 ramp

primary

#4231B9

secondary

#BFC87D

accent

#E146CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4231B9

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

Preview Lab → · Contrast checker → · Palette generator →