#4372E1#4372E1

#4372E1 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.9% C 0.177 H 264.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4372E1
RGB	rgb(67, 114, 225)
HSL	hsl(222, 72%, 57%)
HSV	hsv(222, 70%, 88%)
CMYK	cmyk(70.2%, 49.3%, 0%, 11.8%)
CIE-LAB	lab(50.29, 20.88, -61.28)
CIE-LCH	lch(50.29, 64.75, 288.82°)
OKLab	oklab(57.88% -0.0175 -0.176)
OKLCH	oklch(57.88% 0.177 264.3)
XYZ	xyz(21.9179, 18.6619, 73.6666)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4372E1 #E1B243

analogous

#43C1E1 #4372E1 #6343E1

triadic

#4372E1 #E14372 #72E143

tetradic

#4372E1 #E143C1 #E1B243 #43E163

square

#4372E1 #E143C1 #E1B243 #43E163

split-complementary

#4372E1 #E16343 #C1E143

monochromatic

#173C92 #2052C7 #4372E1 #789AE9 #ADC1F2

Accessibility & contrast

On white

4.44

#4372E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4372E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4372E1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4372E1	#FFFFFF	#000000	##000000
##4372E1	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327FE5

Deuteranopia (green-blind)

#0071DF

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4372e1;
/* rgb */ color: rgb(67, 114, 225);
/* oklch */ color: oklch(57.9% 0.177 264.3);

Tailwind

colors: {
  custom: {
    50: '#899aeb',
    500: '#4372e1',
    950: '#000000',
  },
}

SCSS

$custom: #4372e1;
$custom-light: #899aeb;
$custom-dark: #000000;

JSON

{
  "hex": "#4372e1",
  "rgb": {
    "r": 67,
    "g": 114,
    "b": 225
  },
  "hsl": {
    "h": 222.152,
    "s": 72.477,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57875,
    "c": 0.17685,
    "h": 264.3
  },
  "luminance": 0.18664
}

Semantic roles & 50–950 ramp

primary

#4372E1

secondary

#E0CDA0

accent

#B939EF

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4372E1

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

Preview Lab → · Contrast checker → · Palette generator →