#4331B1#4331B1

#4331B1 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.191 H 280.8°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#4331B1
RGB	rgb(67, 49, 177)
HSL	hsl(248, 57%, 44%)
HSV	hsv(248, 72%, 69%)
CMYK	cmyk(62.1%, 72.3%, 0%, 30.6%)
CIE-LAB	lab(30.79, 44.51, -65.21)
CIE-LCH	lch(30.79, 78.95, 304.31°)
OKLab	oklab(42.27% 0.0358 -0.188)
OKLCH	oklch(42.27% 0.191 280.8)
XYZ	xyz(11.3464, 6.5634, 42.2554)
Luminance	0.0656 (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

#4331B1 #9FB131

analogous

#315FB1 #4331B1 #8331B1

triadic

#4331B1 #B14331 #31B143

tetradic

#4331B1 #B1315F #9FB131 #31B183

square

#4331B1 #B1315F #9FB131 #31B183

split-complementary

#4331B1 #B18331 #5FB131

monochromatic

#1F1651 #312481 #4331B1 #6251CF #8D80DC

Accessibility & contrast

On white

9.08

#4331B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4331B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4331B1

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4331B1	#FFFFFF	#000000	##FFFFFF
##4331B1	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB5

Deuteranopia (green-blind)

#0044AF

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4331b1;
/* rgb */ color: rgb(67, 49, 177);
/* oklch */ color: oklch(42.3% 0.191 280.8);

Tailwind

colors: {
  custom: {
    50: '#846bc9',
    500: '#4331b1',
    950: '#000000',
  },
}

SCSS

$custom: #4331b1;
$custom-light: #846bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4331b1",
  "rgb": {
    "r": 67,
    "g": 49,
    "b": 177
  },
  "hsl": {
    "h": 248.438,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42269,
    "c": 0.19142,
    "h": 280.8
  },
  "luminance": 0.06564
}

Semantic roles & 50–950 ramp

primary

#4331B1

secondary

#BAC579

accent

#E048CB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4331B1

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

Preview Lab → · Contrast checker → · Palette generator →