#4072E1#4072E1

#4072E1 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.7% C 0.178 H 263.6°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4072E1
RGB	rgb(64, 114, 225)
HSL	hsl(221, 73%, 57%)
HSV	hsv(221, 72%, 88%)
CMYK	cmyk(71.6%, 49.3%, 0%, 11.8%)
CIE-LAB	lab(50.17, 20.47, -61.49)
CIE-LCH	lch(50.17, 64.81, 288.42°)
OKLab	oklab(57.75% -0.0199 -0.1766)
OKLCH	oklch(57.75% 0.178 263.6)
XYZ	xyz(21.7175, 18.5585, 73.6572)
Luminance	0.1856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072E1 #E1AF40

analogous

#40C3E1 #4072E1 #5E40E1

triadic

#4072E1 #E14072 #72E140

tetradic

#4072E1 #E140C3 #E1AF40 #40E15E

square

#4072E1 #E140C3 #E1AF40 #40E15E

split-complementary

#4072E1 #E15E40 #C3E140

monochromatic

#173C90 #1F52C5 #4072E1 #7599E9 #AAC0F2

Accessibility & contrast

On white

4.46

#4072E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4072E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4072E1

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072E1	#FFFFFF	#000000	##000000
##4072E1	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#317FE5

Deuteranopia (green-blind)

#0070DF

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4072e1;
/* rgb */ color: rgb(64, 114, 225);
/* oklch */ color: oklch(57.7% 0.178 263.6);

Tailwind

colors: {
  custom: {
    50: '#8899eb',
    500: '#4072e1',
    950: '#000000',
  },
}

SCSS

$custom: #4072e1;
$custom-light: #8899eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4072e1",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 225
  },
  "hsl": {
    "h": 221.366,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57747,
    "c": 0.17775,
    "h": 263.6
  },
  "luminance": 0.18561
}

Semantic roles & 50–950 ramp

primary

#4072E1

secondary

#DFCB9D

accent

#B738F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4072E1

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

Preview Lab → · Contrast checker → · Palette generator →