#4A51E7#4A51E7

#4A51E7 is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.6% C 0.222 H 273.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4A51E7
RGB	rgb(74, 81, 231)
HSL	hsl(237, 77%, 60%)
HSV	hsv(237, 68%, 91%)
CMYK	cmyk(68%, 64.9%, 0%, 9.4%)
CIE-LAB	lab(42.93, 44.32, -76.63)
CIE-LCH	lch(42.93, 88.52, 300.04°)
OKLab	oklab(52.61% 0.0145 -0.2213)
OKLCH	oklch(52.61% 0.222 273.8)
XYZ	xyz(20.1855, 13.1083, 77.0522)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51E7 #E7E04A

analogous

#4A9FE7 #4A51E7 #924AE7

triadic

#4A51E7 #E74A51 #51E74A

tetradic

#4A51E7 #E74A9F #E7E04A #4AE792

square

#4A51E7 #E74A9F #E7E04A #4AE792

split-complementary

#4A51E7 #E7924A #9FE74A

monochromatic

#151CA1 #1D25D7 #4A51E7 #8085EE #B6B9F5

Accessibility & contrast

On white

5.80

#4A51E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4A51E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51E7

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51E7	#FFFFFF	#000000	##FFFFFF
##4A51E7	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEC

Deuteranopia (green-blind)

#005EE4

Tritanopia (blue-blind)

#007895

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4a51e7;
/* rgb */ color: rgb(74, 81, 231);
/* oklch */ color: oklch(52.6% 0.222 273.8);

Tailwind

colors: {
  custom: {
    50: '#9082f0',
    500: '#4a51e7',
    950: '#000000',
  },
}

SCSS

$custom: #4a51e7;
$custom-light: #9082f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51e7",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 231
  },
  "hsl": {
    "h": 237.325,
    "s": 76.585,
    "l": 59.804
  },
  "oklch": {
    "l": 0.52612,
    "c": 0.22177,
    "h": 273.8
  },
  "luminance": 0.1311
}

Semantic roles & 50–950 ramp

primary

#4A51E7

secondary

#E5E2A8

accent

#EB35F3

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #4A51E7

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

Preview Lab → · Contrast checker → · Palette generator →