#4331B0#4331B0

#4331B0 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.2% C 0.190 H 280.9°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#4331B0
RGB	rgb(67, 49, 176)
HSL	hsl(249, 56%, 44%)
HSV	hsv(249, 72%, 69%)
CMYK	cmyk(61.9%, 72.2%, 0%, 31%)
CIE-LAB	lab(30.70, 44.19, -64.77)
CIE-LCH	lch(30.70, 78.41, 304.31°)
OKLab	oklab(42.17% 0.036 -0.1868)
OKLCH	oklch(42.17% 0.19 280.9)
XYZ	xyz(11.2471, 6.5237, 41.7324)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 4.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4331B0 #9EB031

analogous

#315FB0 #4331B0 #8331B0

triadic

#4331B0 #B04331 #31B043

tetradic

#4331B0 #B0315F #9EB031 #31B083

square

#4331B0 #B0315F #9EB031 #31B083

split-complementary

#4331B0 #B08331 #5FB031

monochromatic

#1F1650 #312480 #4331B0 #6250CE #8D80DC

Accessibility & contrast

On white

9.11

#4331B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4331B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4331B0

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4331B0	#FFFFFF	#000000	##FFFFFF
##4331B0	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB4

Deuteranopia (green-blind)

#0043AE

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4331b0;
/* rgb */ color: rgb(67, 49, 176);
/* oklch */ color: oklch(42.2% 0.190 280.9);

Tailwind

colors: {
  custom: {
    50: '#846bc9',
    500: '#4331b0',
    950: '#000000',
  },
}

SCSS

$custom: #4331b0;
$custom-light: #846bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4331b0",
  "rgb": {
    "r": 67,
    "g": 49,
    "b": 176
  },
  "hsl": {
    "h": 248.504,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42173,
    "c": 0.19019,
    "h": 280.9
  },
  "luminance": 0.06525
}

Semantic roles & 50–950 ramp

primary

#4331B0

secondary

#BAC578

accent

#E048CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4331B0

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

Preview Lab → · Contrast checker → · Palette generator →