#4357D4#4357D4

#4357D4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.6% C 0.192 H 271.1°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4357D4
RGB	rgb(67, 87, 212)
HSL	hsl(232, 63%, 55%)
HSV	hsv(232, 68%, 83%)
CMYK	cmyk(68.4%, 59%, 0%, 16.9%)
CIE-LAB	lab(42.40, 33.27, -66.68)
CIE-LCH	lch(42.40, 74.52, 296.52°)
OKLab	oklab(51.64% 0.0036 -0.1922)
OKLCH	oklch(51.64% 0.192 271.1)
XYZ	xyz(17.6026, 12.7615, 63.8101)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357D4 #D4C043

analogous

#43A0D4 #4357D4 #7743D4

triadic

#4357D4 #D44357 #57D443

tetradic

#4357D4 #D443A0 #D4C043 #43D477

square

#4357D4 #D443A0 #D4C043 #43D477

split-complementary

#4357D4 #D47743 #A0D443

monochromatic

#1D2B7F #293BB1 #4357D4 #7584DF #A7B0EB

Accessibility & contrast

On white

5.91

#4357D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4357D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357D4

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357D4	#FFFFFF	#000000	##FFFFFF
##4357D4	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD8

Deuteranopia (green-blind)

#005ED2

Tritanopia (blue-blind)

#00768D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4357d4;
/* rgb */ color: rgb(67, 87, 212);
/* oklch */ color: oklch(51.6% 0.192 271.1);

Tailwind

colors: {
  custom: {
    50: '#8886e2',
    500: '#4357d4',
    950: '#000000',
  },
}

SCSS

$custom: #4357d4;
$custom-light: #8886e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4357d4",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 212
  },
  "hsl": {
    "h": 231.724,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51644,
    "c": 0.19224,
    "h": 271.1
  },
  "luminance": 0.12763
}

Semantic roles & 50–950 ramp

primary

#4357D4

secondary

#D8D09B

accent

#CF42E6

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B15

muted

#7E7C84

Preview Lab

Preview with #4357D4

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

Preview Lab → · Contrast checker → · Palette generator →