#3E57CF#3E57CF

#3E57CF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.0% C 0.187 H 269.6°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3E57CF
RGB	rgb(62, 87, 207)
HSL	hsl(230, 60%, 53%)
HSV	hsv(230, 70%, 81%)
CMYK	cmyk(70%, 58%, 0%, 18.8%)
CIE-LAB	lab(41.76, 30.83, -64.86)
CIE-LCH	lch(41.76, 71.82, 295.42°)
OKLab	oklab(50.98% -0.0013 -0.187)
OKLCH	oklch(50.98% 0.187 269.6)
XYZ	xyz(16.6534, 12.3439, 60.5243)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57CF #CFB63E

analogous

#3EA0CF #3E57CF #6D3ECF

triadic

#3E57CF #CF3E57 #57CF3E

tetradic

#3E57CF #CF3EA0 #CFB63E #3ECF6D

square

#3E57CF #CF3EA0 #CFB63E #3ECF6D

split-complementary

#3E57CF #CF6D3E #A0CF3E

monochromatic

#1D2C75 #293FA6 #3E57CF #6F82DB #A0ACE7

Accessibility & contrast

On white

6.05

#3E57CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3E57CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57CF

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57CF	#FFFFFF	#000000	##FFFFFF
##3E57CF	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D3

Deuteranopia (green-blind)

#005CCD

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3e57cf;
/* rgb */ color: rgb(62, 87, 207);
/* oklch */ color: oklch(51.0% 0.187 269.6);

Tailwind

colors: {
  custom: {
    50: '#8586df',
    500: '#3e57cf',
    950: '#000000',
  },
}

SCSS

$custom: #3e57cf;
$custom-light: #8586df;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57cf",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 229.655,
    "s": 60.166,
    "l": 52.745
  },
  "oklch": {
    "l": 0.50975,
    "c": 0.187,
    "h": 269.6
  },
  "luminance": 0.12346
}

Semantic roles & 50–950 ramp

primary

#3E57CF

secondary

#D4C995

accent

#C844E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3E57CF

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

Preview Lab → · Contrast checker → · Palette generator →