#3C57DC#3C57DC

#3C57DC is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 51.9% C 0.205 H 269.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3C57DC
RGB	rgb(60, 87, 220)
HSL	hsl(230, 70%, 55%)
HSV	hsv(230, 73%, 86%)
CMYK	cmyk(72.7%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(42.68, 35.20, -70.82)
CIE-LCH	lch(42.68, 79.08, 296.43°)
OKLab	oklab(51.95% -0.0031 -0.2045)
OKLCH	oklch(51.95% 0.205 269.1)
XYZ	xyz(18.1855, 12.9424, 69.2360)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C57DC #DCC13C

analogous

#3CA7DC #3C57DC #713CDC

triadic

#3C57DC #DC3C57 #57DC3C

tetradic

#3C57DC #DC3CA7 #DCC13C #3CDC71

square

#3C57DC #DC3CA7 #DCC13C #3CDC71

split-complementary

#3C57DC #DC713C #A7DC3C

monochromatic

#182A86 #213BBA #3C57DC #7084E5 #A4B0EF

Accessibility & contrast

On white

5.85

#3C57DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3C57DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C57DC

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C57DC	#FFFFFF	#000000	##FFFFFF
##3C57DC	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE0

Deuteranopia (green-blind)

#005DD9

Tritanopia (blue-blind)

#007991

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3c57dc;
/* rgb */ color: rgb(60, 87, 220);
/* oklch */ color: oklch(51.9% 0.205 269.1);

Tailwind

colors: {
  custom: {
    50: '#8786e8',
    500: '#3c57dc',
    950: '#000000',
  },
}

SCSS

$custom: #3c57dc;
$custom-light: #8786e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3c57dc",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 229.875,
    "s": 69.565,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51948,
    "c": 0.20454,
    "h": 269.1
  },
  "luminance": 0.12944
}

Semantic roles & 50–950 ramp

primary

#3C57DC

secondary

#DCD098

accent

#CF3BEC

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3C57DC

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

Preview Lab → · Contrast checker → · Palette generator →