#3C57D3#3C57D3

#3C57D3 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.193 H 269.1°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3C57D3
RGB	rgb(60, 87, 211)
HSL	hsl(229, 63%, 53%)
HSV	hsv(229, 72%, 83%)
CMYK	cmyk(71.6%, 58.8%, 0%, 17.3%)
CIE-LAB	lab(41.97, 32.00, -66.83)
CIE-LCH	lch(41.97, 74.09, 295.59°)
OKLab	oklab(51.2% -0.0032 -0.1928)
OKLCH	oklch(51.2% 0.193 269.1)
XYZ	xyz(17.0255, 12.4784, 63.1267)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C57D3 #D3B83C

analogous

#3CA2D3 #3C57D3 #6D3CD3

triadic

#3C57D3 #D33C57 #57D33C

tetradic

#3C57D3 #D33CA2 #D3B83C #3CD36D

square

#3C57D3 #D33CA2 #D3B83C #3CD36D

split-complementary

#3C57D3 #D36D3C #A2D33C

monochromatic

#1B2C79 #273EAB #3C57D3 #6E82DE #A0ADEA

Accessibility & contrast

On white

6.01

#3C57D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3C57D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C57D3

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C57D3	#FFFFFF	#000000	##FFFFFF
##3C57D3	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD7

Deuteranopia (green-blind)

#005CD1

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3c57d3;
/* rgb */ color: rgb(60, 87, 211);
/* oklch */ color: oklch(51.2% 0.193 269.1);

Tailwind

colors: {
  custom: {
    50: '#8586e1',
    500: '#3c57d3',
    950: '#000000',
  },
}

SCSS

$custom: #3c57d3;
$custom-light: #8586e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c57d3",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 211
  },
  "hsl": {
    "h": 229.272,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.512,
    "c": 0.19284,
    "h": 269.1
  },
  "luminance": 0.1248
}

Semantic roles & 50–950 ramp

primary

#3C57D3

secondary

#D6CA95

accent

#C942E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #3C57D3

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

Preview Lab → · Contrast checker → · Palette generator →