#4B40D7#4B40D7

#4B40D7 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.6% C 0.220 H 277.6°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4B40D7
RGB	rgb(75, 64, 215)
HSL	hsl(244, 65%, 55%)
HSV	hsv(244, 70%, 84%)
CMYK	cmyk(65.1%, 70.2%, 0%, 15.7%)
CIE-LAB	lab(37.96, 49.09, -75.64)
CIE-LCH	lch(37.96, 90.18, 302.99°)
OKLab	oklab(48.62% 0.0291 -0.2184)
OKLCH	oklch(48.62% 0.22 277.6)
XYZ	xyz(16.9968, 10.0675, 65.3243)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.60

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B40D7 #CCD740

analogous

#4080D7 #4B40D7 #9740D7

triadic

#4B40D7 #D74B40 #40D74B

tetradic

#4B40D7 #D74080 #CCD740 #40D797

square

#4B40D7 #D74080 #CCD740 #40D797

split-complementary

#4B40D7 #D79740 #80D740

monochromatic

#231B81 #3026B4 #4B40D7 #7B73E2 #AAA5EC

Accessibility & contrast

On white

6.97

#4B40D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4B40D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B40D7

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40D7	#FFFFFF	#000000	##FFFFFF
##4B40D7	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DC

Deuteranopia (green-blind)

#0053D4

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4b40d7;
/* rgb */ color: rgb(75, 64, 215);
/* oklch */ color: oklch(48.6% 0.220 277.6);

Tailwind

colors: {
  custom: {
    50: '#8e77e5',
    500: '#4b40d7',
    950: '#000000',
  },
}

SCSS

$custom: #4b40d7;
$custom-light: #8e77e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40d7",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 215
  },
  "hsl": {
    "h": 244.371,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48616,
    "c": 0.22032,
    "h": 277.6
  },
  "luminance": 0.10069
}

Semantic roles & 50–950 ramp

primary

#4B40D7

secondary

#D5D99A

accent

#E83FDC

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B40D7

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

Preview Lab → · Contrast checker → · Palette generator →