#4072E3#4072E3

#4072E3 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.9% C 0.180 H 263.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4072E3
RGB	rgb(64, 114, 227)
HSL	hsl(222, 74%, 57%)
HSV	hsv(222, 72%, 89%)
CMYK	cmyk(71.8%, 49.8%, 0%, 11%)
CIE-LAB	lab(50.30, 21.20, -62.41)
CIE-LCH	lch(50.30, 65.91, 288.76°)
OKLab	oklab(57.89% -0.0197 -0.1793)
OKLCH	oklch(57.89% 0.18 263.7)
XYZ	xyz(21.9919, 18.6683, 75.1025)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072E3 #E3B140

analogous

#40C4E3 #4072E3 #6040E3

triadic

#4072E3 #E34072 #72E340

tetradic

#4072E3 #E340C4 #E3B140 #40E360

square

#4072E3 #E340C4 #E3B140 #40E360

split-complementary

#4072E3 #E36040 #C4E340

monochromatic

#163C93 #1D52C8 #4072E3 #7599EB #ABC1F3

Accessibility & contrast

On white

4.44

#4072E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4072E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4072E3

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072E3	#FFFFFF	#000000	##000000
##4072E3	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)

#2E80E7

Deuteranopia (green-blind)

#0071E1

Tritanopia (blue-blind)

#008DA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4072e3;
/* rgb */ color: rgb(64, 114, 227);
/* oklch */ color: oklch(57.9% 0.180 263.7);

Tailwind

colors: {
  custom: {
    50: '#8999ec',
    500: '#4072e3',
    950: '#000000',
  },
}

SCSS

$custom: #4072e3;
$custom-light: #8999ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4072e3",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 227
  },
  "hsl": {
    "h": 221.595,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57888,
    "c": 0.18039,
    "h": 263.7
  },
  "luminance": 0.18671
}

Semantic roles & 50–950 ramp

primary

#4072E3

secondary

#E1CC9E

accent

#B837F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4072E3

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

Preview Lab → · Contrast checker → · Palette generator →