#4A51E5#4A51E5

#4A51E5 is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.4% C 0.219 H 273.8°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#4A51E5
RGB	rgb(74, 81, 229)
HSL	hsl(237, 75%, 59%)
HSV	hsv(237, 68%, 90%)
CMYK	cmyk(67.7%, 64.6%, 0%, 10.2%)
CIE-LAB	lab(42.76, 43.66, -75.77)
CIE-LCH	lch(42.76, 87.45, 299.95°)
OKLab	oklab(52.44% 0.0147 -0.2188)
OKLCH	oklch(52.44% 0.219 273.8)
XYZ	xyz(19.9046, 12.9960, 75.5731)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51E5 #E5DE4A

analogous

#4A9FE5 #4A51E5 #904AE5

triadic

#4A51E5 #E54A51 #51E54A

tetradic

#4A51E5 #E54A9F #E5DE4A #4AE590

square

#4A51E5 #E54A9F #E5DE4A #4AE590

split-complementary

#4A51E5 #E5904A #9FE54A

monochromatic

#171D9E #1E27D3 #4A51E5 #8084ED #B5B8F4

Accessibility & contrast

On white

5.83

#4A51E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4A51E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51E5

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51E5	#FFFFFF	#000000	##FFFFFF
##4A51E5	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CEA

Deuteranopia (green-blind)

#005EE2

Tritanopia (blue-blind)

#007894

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4a51e5;
/* rgb */ color: rgb(74, 81, 229);
/* oklch */ color: oklch(52.4% 0.219 273.8);

Tailwind

colors: {
  custom: {
    50: '#8f82ee',
    500: '#4a51e5',
    950: '#000000',
  },
}

SCSS

$custom: #4a51e5;
$custom-light: #8f82ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51e5",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 229
  },
  "hsl": {
    "h": 237.29,
    "s": 74.879,
    "l": 59.412
  },
  "oklch": {
    "l": 0.52437,
    "c": 0.21927,
    "h": 273.8
  },
  "luminance": 0.12998
}

Semantic roles & 50–950 ramp

primary

#4A51E5

secondary

#E4E1A7

accent

#E936F1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #4A51E5

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

Preview Lab → · Contrast checker → · Palette generator →