#3C42DD#3C42DD

#3C42DD is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.5% C 0.229 H 272.3°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#3C42DD
RGB	rgb(60, 66, 221)
HSL	hsl(238, 70%, 55%)
HSV	hsv(238, 73%, 87%)
CMYK	cmyk(72.9%, 70.1%, 0%, 13.3%)
CIE-LAB	lab(37.98, 48.26, -79.09)
CIE-LCH	lch(37.98, 92.66, 301.39°)
OKLab	oklab(48.55% 0.0093 -0.2288)
OKLCH	oklch(48.55% 0.229 272.3)
XYZ	xyz(16.8584, 10.0758, 69.4489)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C42DD #DDD73C

analogous

#3C92DD #3C42DD #863CDD

triadic

#3C42DD #DD3C42 #42DD3C

tetradic

#3C42DD #DD3C92 #DDD73C #3CDD86

square

#3C42DD #DD3C92 #DDD73C #3CDD86

split-complementary

#3C42DD #DD863C #92DD3C

monochromatic

#181C87 #2126BB #3C42DD #7075E6 #A4A7EF

Accessibility & contrast

On white

6.96

#3C42DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3C42DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C42DD

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C42DD	#FFFFFF	#000000	##FFFFFF
##3C42DD	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E2

Deuteranopia (green-blind)

#0052DA

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3c42dd;
/* rgb */ color: rgb(60, 66, 221);
/* oklch */ color: oklch(48.5% 0.229 272.3);

Tailwind

colors: {
  custom: {
    50: '#8977e9',
    500: '#3c42dd',
    950: '#000000',
  },
}

SCSS

$custom: #3c42dd;
$custom-light: #8977e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c42dd",
  "rgb": {
    "r": 60,
    "g": 66,
    "b": 221
  },
  "hsl": {
    "h": 237.764,
    "s": 70.306,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48545,
    "c": 0.22903,
    "h": 272.3
  },
  "luminance": 0.10078
}

Semantic roles & 50–950 ramp

primary

#3C42DD

secondary

#DCDA99

accent

#E63BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #3C42DD

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

Preview Lab → · Contrast checker → · Palette generator →