#4351CC#4351CC

#4351CC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.9% C 0.189 H 272.6°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4351CC
RGB	rgb(67, 81, 204)
HSL	hsl(234, 57%, 53%)
HSV	hsv(234, 67%, 80%)
CMYK	cmyk(67.2%, 60.3%, 0%, 20%)
CIE-LAB	lab(40.31, 34.25, -65.48)
CIE-LCH	lch(40.31, 73.90, 297.61°)
OKLab	oklab(49.9% 0.0084 -0.1888)
OKLCH	oklch(49.9% 0.189 272.6)
XYZ	xyz(16.1526, 11.4363, 58.4712)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351CC #CCBE43

analogous

#4395CC #4351CC #7A43CC

triadic

#4351CC #CC4351 #51CC43

tetradic

#4351CC #CC4395 #CCBE43 #43CC7A

square

#4351CC #CC4395 #CCBE43 #43CC7A

split-complementary

#4351CC #CC7A43 #95CC43

monochromatic

#202875 #2D39A5 #4351CC #737ED9 #A3AAE6

Accessibility & contrast

On white

6.39

#4351CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4351CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351CC

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351CC	#FFFFFF	#000000	##FFFFFF
##4351CC	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D0

Deuteranopia (green-blind)

#0059CA

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4351cc;
/* rgb */ color: rgb(67, 81, 204);
/* oklch */ color: oklch(49.9% 0.189 272.6);

Tailwind

colors: {
  custom: {
    50: '#8781dc',
    500: '#4351cc',
    950: '#000000',
  },
}

SCSS

$custom: #4351cc;
$custom-light: #8781dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4351cc",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 233.869,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49897,
    "c": 0.18896,
    "h": 272.6
  },
  "luminance": 0.11438
}

Semantic roles & 50–950 ramp

primary

#4351CC

secondary

#D3CD98

accent

#D147E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4351CC

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

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