#3E57D0#3E57D0

#3E57D0 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.188 H 269.6°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3E57D0
RGB	rgb(62, 87, 208)
HSL	hsl(230, 61%, 53%)
HSV	hsv(230, 70%, 82%)
CMYK	cmyk(70.2%, 58.2%, 0%, 18.4%)
CIE-LAB	lab(41.83, 31.19, -65.31)
CIE-LCH	lch(41.83, 72.38, 295.52°)
OKLab	oklab(51.06% -0.0013 -0.1883)
OKLCH	oklch(51.06% 0.188 269.6)
XYZ	xyz(16.7761, 12.3929, 61.1702)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57D0 #D0B73E

analogous

#3EA0D0 #3E57D0 #6E3ED0

triadic

#3E57D0 #D03E57 #57D03E

tetradic

#3E57D0 #D03EA0 #D0B73E #3ED06E

square

#3E57D0 #D03EA0 #D0B73E #3ED06E

split-complementary

#3E57D0 #D06E3E #A0D03E

monochromatic

#1D2C77 #293FA8 #3E57D0 #6F82DC #A0ADE8

Accessibility & contrast

On white

6.04

#3E57D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3E57D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57D0

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57D0	#FFFFFF	#000000	##FFFFFF
##3E57D0	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD4

Deuteranopia (green-blind)

#005CCE

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3e57d0;
/* rgb */ color: rgb(62, 87, 208);
/* oklch */ color: oklch(51.1% 0.188 269.6);

Tailwind

colors: {
  custom: {
    50: '#8586df',
    500: '#3e57d0',
    950: '#000000',
  },
}

SCSS

$custom: #3e57d0;
$custom-light: #8586df;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57d0",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 208
  },
  "hsl": {
    "h": 229.726,
    "s": 60.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51056,
    "c": 0.18832,
    "h": 269.6
  },
  "luminance": 0.12395
}

Semantic roles & 50–950 ramp

primary

#3E57D0

secondary

#D4CA95

accent

#C944E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #3E57D0

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

Preview Lab → · Contrast checker → · Palette generator →