#3E72E3#3E72E3

#3E72E3 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.8% C 0.181 H 263.3°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3E72E3
RGB	rgb(62, 114, 227)
HSL	hsl(221, 75%, 57%)
HSV	hsv(221, 73%, 89%)
CMYK	cmyk(72.7%, 49.8%, 0%, 11%)
CIE-LAB	lab(50.22, 20.94, -62.54)
CIE-LCH	lch(50.22, 65.95, 288.51°)
OKLab	oklab(57.81% -0.0212 -0.1797)
OKLCH	oklch(57.81% 0.181 263.3)
XYZ	xyz(21.8641, 18.6024, 75.0965)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E72E3 #E3AF3E

analogous

#3EC5E3 #3E72E3 #5D3EE3

triadic

#3E72E3 #E33E72 #72E33E

tetradic

#3E72E3 #E33EC5 #E3AF3E #3EE35D

square

#3E72E3 #E33EC5 #E3AF3E #3EE35D

split-complementary

#3E72E3 #E35D3E #C5E33E

monochromatic

#153C91 #1D52C7 #3E72E3 #7399EB #A9C0F3

Accessibility & contrast

On white

4.45

#3E72E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3E72E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E72E3

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E72E3	#FFFFFF	#000000	##000000
##3E72E3	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7FE7

Deuteranopia (green-blind)

#0070E1

Tritanopia (blue-blind)

#008DA0

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3e72e3;
/* rgb */ color: rgb(62, 114, 227);
/* oklch */ color: oklch(57.8% 0.181 263.3);

Tailwind

colors: {
  custom: {
    50: '#8899ec',
    500: '#3e72e3',
    950: '#000000',
  },
}

SCSS

$custom: #3e72e3;
$custom-light: #8899ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3e72e3",
  "rgb": {
    "r": 62,
    "g": 114,
    "b": 227
  },
  "hsl": {
    "h": 221.091,
    "s": 74.661,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57807,
    "c": 0.18098,
    "h": 263.3
  },
  "luminance": 0.18605
}

Semantic roles & 50–950 ramp

primary

#3E72E3

secondary

#E0CB9D

accent

#B637F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3E72E3

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

Preview Lab → · Contrast checker → · Palette generator →