#4C40D7#4C40D7

#4C40D7 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.7% C 0.220 H 277.9°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4C40D7
RGB	rgb(76, 64, 215)
HSL	hsl(245, 65%, 55%)
HSV	hsv(245, 70%, 84%)
CMYK	cmyk(64.7%, 70.2%, 0%, 15.7%)
CIE-LAB	lab(38.04, 49.22, -75.52)
CIE-LCH	lch(38.04, 90.14, 303.09°)
OKLab	oklab(48.69% 0.0303 -0.218)
OKLCH	oklch(48.69% 0.22 277.9)
XYZ	xyz(17.0757, 10.1082, 65.3280)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.55

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C40D7 #CBD740

analogous

#4080D7 #4C40D7 #9740D7

triadic

#4C40D7 #D74C40 #40D74C

tetradic

#4C40D7 #D74080 #CBD740 #40D797

square

#4C40D7 #D74080 #CBD740 #40D797

split-complementary

#4C40D7 #D79740 #80D740

monochromatic

#231B81 #3126B4 #4C40D7 #7B73E2 #ABA5EC

Accessibility & contrast

On white

6.95

#4C40D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4C40D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C40D7

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40D7	#FFFFFF	#000000	##FFFFFF
##4C40D7	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DC

Deuteranopia (green-blind)

#0053D4

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4c40d7;
/* rgb */ color: rgb(76, 64, 215);
/* oklch */ color: oklch(48.7% 0.220 277.9);

Tailwind

colors: {
  custom: {
    50: '#8f77e5',
    500: '#4c40d7',
    950: '#000000',
  },
}

SCSS

$custom: #4c40d7;
$custom-light: #8f77e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40d7",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 215
  },
  "hsl": {
    "h": 244.768,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48686,
    "c": 0.2201,
    "h": 277.9
  },
  "luminance": 0.1011
}

Semantic roles & 50–950 ramp

primary

#4C40D7

secondary

#D4D99A

accent

#E83FDB

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4C40D7

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

Preview Lab → · Contrast checker → · Palette generator →