#4351E4#4351E4

#4351E4 is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 52.0% C 0.220 H 271.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4351E4
RGB	rgb(67, 81, 228)
HSL	hsl(235, 75%, 58%)
HSV	hsv(235, 71%, 89%)
CMYK	cmyk(70.6%, 64.5%, 0%, 10.6%)
CIE-LAB	lab(42.27, 42.48, -76.01)
CIE-LCH	lch(42.27, 87.08, 299.20°)
OKLab	oklab(51.95% 0.0073 -0.2196)
OKLCH	oklch(51.95% 0.22 271.9)
XYZ	xyz(19.2560, 12.6777, 74.8160)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351E4 #E4D643

analogous

#43A1E4 #4351E4 #8643E4

triadic

#4351E4 #E44351 #51E443

tetradic

#4351E4 #E443A1 #E4D643 #43E486

square

#4351E4 #E443A1 #E4D643 #43E486

split-complementary

#4351E4 #E48643 #A1E443

monochromatic

#162197 #1D2DCC #4351E4 #7983EC #AEB4F3

Accessibility & contrast

On white

5.94

#4351E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4351E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351E4

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351E4	#FFFFFF	#000000	##FFFFFF
##4351E4	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE9

Deuteranopia (green-blind)

#005CE1

Tritanopia (blue-blind)

#007893

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4351e4;
/* rgb */ color: rgb(67, 81, 228);
/* oklch */ color: oklch(52.0% 0.220 271.9);

Tailwind

colors: {
  custom: {
    50: '#8c82ee',
    500: '#4351e4',
    950: '#000000',
  },
}

SCSS

$custom: #4351e4;
$custom-light: #8c82ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4351e4",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 228
  },
  "hsl": {
    "h": 234.783,
    "s": 74.884,
    "l": 57.843
  },
  "oklch": {
    "l": 0.51952,
    "c": 0.21977,
    "h": 271.9
  },
  "luminance": 0.1268
}

Semantic roles & 50–950 ramp

primary

#4351E4

secondary

#E2DCA1

accent

#E136F2

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4351E4

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

Preview Lab → · Contrast checker → · Palette generator →