#4357C4#4357C4

#4357C4 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.171 H 271.1°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4357C4
RGB	rgb(67, 87, 196)
HSL	hsl(231, 52%, 52%)
HSV	hsv(231, 66%, 77%)
CMYK	cmyk(65.8%, 55.6%, 0%, 23.1%)
CIE-LAB	lab(41.21, 27.67, -59.39)
CIE-LCH	lch(41.21, 65.51, 294.98°)
OKLab	oklab(50.38% 0.0033 -0.1708)
OKLCH	oklch(50.38% 0.171 271.1)
XYZ	xyz(15.6834, 11.9938, 53.7024)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357C4 #C4B043

analogous

#4398C4 #4357C4 #7043C4

triadic

#4357C4 #C44357 #57C443

tetradic

#4357C4 #C44398 #C4B043 #43C470

square

#4357C4 #C44398 #C4B043 #43C470

split-complementary

#4357C4 #C47043 #98C443

monochromatic

#222D6B #30419A #4357C4 #7281D3 #A0AAE1

Accessibility & contrast

On white

6.18

#4357C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4357C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357C4

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357C4	#FFFFFF	#000000	##FFFFFF
##4357C4	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C8

Deuteranopia (green-blind)

#005CC2

Tritanopia (blue-blind)

#007185

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4357c4;
/* rgb */ color: rgb(67, 87, 196);
/* oklch */ color: oklch(50.4% 0.171 271.1);

Tailwind

colors: {
  custom: {
    50: '#8586d7',
    500: '#4357c4',
    950: '#000000',
  },
}

SCSS

$custom: #4357c4;
$custom-light: #8586d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4357c4",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 196
  },
  "hsl": {
    "h": 230.698,
    "s": 52.227,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50377,
    "c": 0.17081,
    "h": 271.1
  },
  "luminance": 0.11995
}

Semantic roles & 50–950 ramp

primary

#4357C4

secondary

#CEC595

accent

#C54CDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4357C4

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

Preview Lab → · Contrast checker → · Palette generator →