#4C42D9#4C42D9

#4C42D9 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.2% C 0.220 H 277.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#4C42D9
RGB	rgb(76, 66, 217)
HSL	hsl(244, 67%, 55%)
HSV	hsv(244, 70%, 85%)
CMYK	cmyk(65%, 69.6%, 0%, 14.9%)
CIE-LAB	lab(38.62, 48.73, -75.70)
CIE-LCH	lch(38.62, 90.03, 302.77°)
OKLab	oklab(49.16% 0.0287 -0.2185)
OKLCH	oklch(49.16% 0.22 277.5)
XYZ	xyz(17.4490, 10.4412, 66.7280)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.07

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C42D9 #CFD942

analogous

#4283D9 #4C42D9 #9842D9

triadic

#4C42D9 #D94C42 #42D94C

tetradic

#4C42D9 #D94283 #CFD942 #42D998

square

#4C42D9 #D94283 #CFD942 #42D998

split-complementary

#4C42D9 #D99842 #83D942

monochromatic

#221B86 #2F25B9 #4C42D9 #7C75E3 #ADA8ED

Accessibility & contrast

On white

6.80

#4C42D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4C42D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C42D9

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C42D9	#FFFFFF	#000000	##FFFFFF
##4C42D9	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DE

Deuteranopia (green-blind)

#0055D6

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4c42d9;
/* rgb */ color: rgb(76, 66, 217);
/* oklch */ color: oklch(49.2% 0.220 277.5);

Tailwind

colors: {
  custom: {
    50: '#8f78e6',
    500: '#4c42d9',
    950: '#000000',
  },
}

SCSS

$custom: #4c42d9;
$custom-light: #8f78e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c42d9",
  "rgb": {
    "r": 76,
    "g": 66,
    "b": 217
  },
  "hsl": {
    "h": 243.974,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49162,
    "c": 0.22042,
    "h": 277.5
  },
  "luminance": 0.10443
}

Semantic roles & 50–950 ramp

primary

#4C42D9

secondary

#D7DB9C

accent

#E93EDE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4C42D9

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

Preview Lab → · Contrast checker → · Palette generator →