#3C70DF#3C70DF

#3C70DF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.0% C 0.179 H 263.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3C70DF
RGB	rgb(60, 112, 223)
HSL	hsl(221, 72%, 55%)
HSV	hsv(221, 73%, 87%)
CMYK	cmyk(73.1%, 49.8%, 0%, 12.5%)
CIE-LAB	lab(49.34, 20.49, -61.70)
CIE-LCH	lch(49.34, 65.01, 288.37°)
OKLab	oklab(57.03% -0.0215 -0.1773)
OKLCH	oklch(57.03% 0.179 263.1)
XYZ	xyz(20.9722, 17.8744, 72.1426)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C70DF #DFAB3C

analogous

#3CC1DF #3C70DF #593CDF

triadic

#3C70DF #DF3C70 #70DF3C

tetradic

#3C70DF #DF3CC1 #DFAB3C #3CDF59

square

#3C70DF #DF3CC1 #DFAB3C #3CDF59

split-complementary

#3C70DF #DF593C #C1DF3C

monochromatic

#173B8A #1F52BF #3C70DF #7197E8 #A5BDF0

Accessibility & contrast

On white

4.59

#3C70DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3C70DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3C70DF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C70DF	#FFFFFF	#000000	##FFFFFF
##3C70DF	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7DE3

Deuteranopia (green-blind)

#006EDD

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3c70df;
/* rgb */ color: rgb(60, 112, 223);
/* oklch */ color: oklch(57.0% 0.179 263.1);

Tailwind

colors: {
  custom: {
    50: '#8698ea',
    500: '#3c70df',
    950: '#000000',
  },
}

SCSS

$custom: #3c70df;
$custom-light: #8698ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3c70df",
  "rgb": {
    "r": 60,
    "g": 112,
    "b": 223
  },
  "hsl": {
    "h": 220.859,
    "s": 71.806,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57034,
    "c": 0.17864,
    "h": 263.1
  },
  "luminance": 0.17877
}

Semantic roles & 50–950 ramp

primary

#3C70DF

secondary

#DDC899

accent

#B539EF

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3C70DF

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

Preview Lab → · Contrast checker → · Palette generator →