#4B40D9#4B40D9

#4B40D9 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.8% C 0.223 H 277.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#4B40D9
RGB	rgb(75, 64, 217)
HSL	hsl(244, 67%, 55%)
HSV	hsv(244, 71%, 85%)
CMYK	cmyk(65.4%, 70.5%, 0%, 14.9%)
CIE-LAB	lab(38.15, 49.72, -76.49)
CIE-LCH	lch(38.15, 91.23, 303.03°)
OKLab	oklab(48.8% 0.0287 -0.2209)
OKLCH	oklch(48.8% 0.223 277.4)
XYZ	xyz(17.2554, 10.1709, 66.6860)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B40D9 #CED940

analogous

#4081D9 #4B40D9 #9840D9

triadic

#4B40D9 #D94B40 #40D94B

tetradic

#4B40D9 #D94081 #CED940 #40D998

square

#4B40D9 #D94081 #CED940 #40D998

split-complementary

#4B40D9 #D99840 #81D940

monochromatic

#221A84 #2F24B7 #4B40D9 #7B73E3 #ABA6ED

Accessibility & contrast

On white

6.92

#4B40D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#4B40D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B40D9

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40D9	#FFFFFF	#000000	##FFFFFF
##4B40D9	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0053D6

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4b40d9;
/* rgb */ color: rgb(75, 64, 217);
/* oklch */ color: oklch(48.8% 0.223 277.4);

Tailwind

colors: {
  custom: {
    50: '#8f77e6',
    500: '#4b40d9',
    950: '#000000',
  },
}

SCSS

$custom: #4b40d9;
$custom-light: #8f77e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40d9",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 217
  },
  "hsl": {
    "h": 244.314,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48803,
    "c": 0.22272,
    "h": 277.4
  },
  "luminance": 0.10172
}

Semantic roles & 50–950 ramp

primary

#4B40D9

secondary

#D6DA9A

accent

#EA3EDD

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B40D9

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

Preview Lab → · Contrast checker → · Palette generator →