#3E73C8#3E73C8

#3E73C8 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.2% C 0.144 H 259.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3E73C8
RGB	rgb(62, 115, 200)
HSL	hsl(217, 56%, 51%)
HSV	hsv(217, 69%, 78%)
CMYK	cmyk(69%, 42.5%, 0%, 21.6%)
CIE-LAB	lab(48.83, 10.54, -49.44)
CIE-LCH	lch(48.83, 50.55, 282.04°)
OKLab	oklab(56.2% -0.0263 -0.1412)
OKLCH	oklch(56.2% 0.144 259.4)
XYZ	xyz(18.5389, 17.4538, 57.0243)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73C8 #C8933E

analogous

#3EB8C8 #3E73C8 #4E3EC8

triadic

#3E73C8 #C83E73 #73C83E

tetradic

#3E73C8 #C83EB8 #C8933E #3EC84E

square

#3E73C8 #C83EB8 #C8933E #3EC84E

split-complementary

#3E73C8 #C84E3E #B8C83E

monochromatic

#1F3D6D #2D579C #3E73C8 #6E96D6 #9DB8E3

Accessibility & contrast

On white

4.68

#3E73C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3E73C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E73C8

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73C8	#FFFFFF	#000000	##FFFFFF
##3E73C8	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7BCB

Deuteranopia (green-blind)

#336EC6

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3e73c8;
/* rgb */ color: rgb(62, 115, 200);
/* oklch */ color: oklch(56.2% 0.144 259.4);

Tailwind

colors: {
  custom: {
    50: '#839ad9',
    500: '#3e73c8',
    950: '#000000',
  },
}

SCSS

$custom: #3e73c8;
$custom-light: #839ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73c8",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 200
  },
  "hsl": {
    "h": 216.957,
    "s": 55.645,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56202,
    "c": 0.14364,
    "h": 259.4
  },
  "luminance": 0.17456
}

Semantic roles & 50–950 ramp

primary

#3E73C8

secondary

#CFB892

accent

#A549DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E73C8

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

Preview Lab → · Contrast checker → · Palette generator →