#4357C7#4357C7

#4357C7 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.175 H 271.1°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4357C7
RGB	rgb(67, 87, 199)
HSL	hsl(231, 54%, 52%)
HSV	hsv(231, 66%, 78%)
CMYK	cmyk(66.3%, 56.3%, 0%, 22%)
CIE-LAB	lab(41.42, 28.72, -60.77)
CIE-LCH	lch(41.42, 67.22, 295.29°)
OKLab	oklab(50.61% 0.0034 -0.1749)
OKLCH	oklch(50.61% 0.175 271.1)
XYZ	xyz(16.0283, 12.1317, 55.5187)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357C7 #C7B343

analogous

#4399C7 #4357C7 #7143C7

triadic

#4357C7 #C74357 #57C743

tetradic

#4357C7 #C74399 #C7B343 #43C771

square

#4357C7 #C74399 #C7B343 #43C771

split-complementary

#4357C7 #C77143 #99C743

monochromatic

#212D6F #2F409E #4357C7 #7281D5 #A1ABE3

Accessibility & contrast

On white

6.13

#4357C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4357C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357C7

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357C7	#FFFFFF	#000000	##FFFFFF
##4357C7	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CB

Deuteranopia (green-blind)

#005CC5

Tritanopia (blue-blind)

#007286

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4357c7;
/* rgb */ color: rgb(67, 87, 199);
/* oklch */ color: oklch(50.6% 0.175 271.1);

Tailwind

colors: {
  custom: {
    50: '#8686d9',
    500: '#4357c7',
    950: '#000000',
  },
}

SCSS

$custom: #4357c7;
$custom-light: #8686d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4357c7",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 199
  },
  "hsl": {
    "h": 230.909,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50609,
    "c": 0.17489,
    "h": 271.1
  },
  "luminance": 0.12133
}

Semantic roles & 50–950 ramp

primary

#4357C7

secondary

#D0C796

accent

#C74ADD

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4357C7

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

Preview Lab → · Contrast checker → · Palette generator →