#3E73C4#3E73C4

#3E73C4 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.138 H 258.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3E73C4
RGB	rgb(62, 115, 196)
HSL	hsl(216, 53%, 51%)
HSV	hsv(216, 68%, 77%)
CMYK	cmyk(68.4%, 41.3%, 0%, 23.1%)
CIE-LAB	lab(48.60, 9.11, -47.51)
CIE-LCH	lch(48.60, 48.38, 280.85°)
OKLab	oklab(55.95% -0.0271 -0.1355)
OKLCH	oklch(55.95% 0.138 258.7)
XYZ	xyz(18.0776, 17.2693, 54.5944)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73C4 #C48F3E

analogous

#3EB6C4 #3E73C4 #4C3EC4

triadic

#3E73C4 #C43E73 #73C43E

tetradic

#3E73C4 #C43EB6 #C48F3E #3EC44C

square

#3E73C4 #C43EB6 #C48F3E #3EC44C

split-complementary

#3E73C4 #C44C3E #B6C43E

monochromatic

#203C68 #2E5797 #3E73C4 #6D95D2 #9CB7E1

Accessibility & contrast

On white

4.71

#3E73C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3E73C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E73C4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73C4	#FFFFFF	#000000	##FFFFFF
##3E73C4	1.00	4.71	4.45	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7AC7

Deuteranopia (green-blind)

#386EC2

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3e73c4;
/* rgb */ color: rgb(62, 115, 196);
/* oklch */ color: oklch(56.0% 0.138 258.7);

Tailwind

colors: {
  custom: {
    50: '#829ad6',
    500: '#3e73c4',
    950: '#000000',
  },
}

SCSS

$custom: #3e73c4;
$custom-light: #829ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73c4",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 196
  },
  "hsl": {
    "h": 216.269,
    "s": 53.175,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5595,
    "c": 0.13824,
    "h": 258.7
  },
  "luminance": 0.17271
}

Semantic roles & 50–950 ramp

primary

#3E73C4

secondary

#CDB591

accent

#A34BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3E73C4

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

Preview Lab → · Contrast checker → · Palette generator →