#4B40D5#4B40D5

#4B40D5 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.4% C 0.218 H 277.8°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#4B40D5
RGB	rgb(75, 64, 213)
HSL	hsl(244, 64%, 54%)
HSV	hsv(244, 70%, 84%)
CMYK	cmyk(64.8%, 70%, 0%, 16.5%)
CIE-LAB	lab(37.78, 48.47, -74.79)
CIE-LCH	lch(37.78, 89.12, 302.94°)
OKLab	oklab(48.43% 0.0294 -0.2159)
OKLCH	oklch(48.43% 0.218 277.8)
XYZ	xyz(16.7414, 9.9653, 63.9792)
Luminance	0.0997 (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

#4B40D5 #CAD540

analogous

#407FD5 #4B40D5 #9640D5

triadic

#4B40D5 #D54B40 #40D54B

tetradic

#4B40D5 #D5407F #CAD540 #40D596

square

#4B40D5 #D5407F #CAD540 #40D596

split-complementary

#4B40D5 #D59640 #7FD540

monochromatic

#231C7F #3127B1 #4B40D5 #7A72E0 #AAA4EB

Accessibility & contrast

On white

7.02

#4B40D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4B40D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B40D5

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40D5	#FFFFFF	#000000	##FFFFFF
##4B40D5	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD9

Deuteranopia (green-blind)

#0053D2

Tritanopia (blue-blind)

#006986

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4b40d5;
/* rgb */ color: rgb(75, 64, 213);
/* oklch */ color: oklch(48.4% 0.218 277.8);

Tailwind

colors: {
  custom: {
    50: '#8e76e3',
    500: '#4b40d5',
    950: '#000000',
  },
}

SCSS

$custom: #4b40d5;
$custom-light: #8e76e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40d5",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 213
  },
  "hsl": {
    "h": 244.43,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.48429,
    "c": 0.21789,
    "h": 277.8
  },
  "luminance": 0.09967
}

Semantic roles & 50–950 ramp

primary

#4B40D5

secondary

#D3D899

accent

#E741DB

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B40D5

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

Preview Lab → · Contrast checker → · Palette generator →