#3E73E1#3E73E1

#3E73E1 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.9% C 0.177 H 262.8°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3E73E1
RGB	rgb(62, 115, 225)
HSL	hsl(220, 73%, 56%)
HSV	hsv(220, 72%, 88%)
CMYK	cmyk(72.4%, 48.9%, 0%, 11.8%)
CIE-LAB	lab(50.36, 19.58, -61.19)
CIE-LCH	lch(50.36, 64.24, 287.75°)
OKLab	oklab(57.87% -0.0222 -0.1757)
OKLCH	oklch(57.87% 0.177 262.8)
XYZ	xyz(21.7031, 18.7195, 73.6890)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73E1 #E1AC3E

analogous

#3EC4E1 #3E73E1 #5B3EE1

triadic

#3E73E1 #E13E73 #73E13E

tetradic

#3E73E1 #E13EC4 #E1AC3E #3EE15B

square

#3E73E1 #E13EC4 #E1AC3E #3EE15B

split-complementary

#3E73E1 #E15B3E #C4E13E

monochromatic

#163D8E #1E54C3 #3E73E1 #7399E9 #A8C0F1

Accessibility & contrast

On white

4.43

#3E73E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3E73E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E73E1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73E1	#FFFFFF	#000000	##000000
##3E73E1	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3380E5

Deuteranopia (green-blind)

#0071DF

Tritanopia (blue-blind)

#008D9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e73e1;
/* rgb */ color: rgb(62, 115, 225);
/* oklch */ color: oklch(57.9% 0.177 262.8);

Tailwind

colors: {
  custom: {
    50: '#879aeb',
    500: '#3e73e1',
    950: '#000000',
  },
}

SCSS

$custom: #3e73e1;
$custom-light: #879aeb;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73e1",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 225
  },
  "hsl": {
    "h": 220.491,
    "s": 73.094,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57871,
    "c": 0.17715,
    "h": 262.8
  },
  "luminance": 0.18722
}

Semantic roles & 50–950 ramp

primary

#3E73E1

secondary

#DFC99C

accent

#B438F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3E73E1

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

Preview Lab → · Contrast checker → · Palette generator →