#4D51E7#4D51E7

#4D51E7 is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.8% C 0.221 H 274.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#4D51E7
RGB	rgb(77, 81, 231)
HSL	hsl(238, 76%, 60%)
HSV	hsv(238, 67%, 91%)
CMYK	cmyk(66.7%, 64.9%, 0%, 9.4%)
CIE-LAB	lab(43.11, 44.70, -76.32)
CIE-LCH	lch(43.11, 88.45, 300.35°)
OKLab	oklab(52.79% 0.0179 -0.2203)
OKLCH	oklch(52.79% 0.221 274.6)
XYZ	xyz(20.4220, 13.2303, 77.0633)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D51E7 #E7E34D

analogous

#4D9EE7 #4D51E7 #964DE7

triadic

#4D51E7 #E74D51 #51E74D

tetradic

#4D51E7 #E74D9E #E7E34D #4DE796

square

#4D51E7 #E74D9E #E7E34D #4DE796

split-complementary

#4D51E7 #E7964D #9EE74D

monochromatic

#161AA4 #1D22D9 #4D51E7 #8386EE #B9BAF6

Accessibility & contrast

On white

5.76

#4D51E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4D51E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D51E7

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D51E7	#FFFFFF	#000000	##FFFFFF
##4D51E7	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEC

Deuteranopia (green-blind)

#005FE4

Tritanopia (blue-blind)

#007895

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4d51e7;
/* rgb */ color: rgb(77, 81, 231);
/* oklch */ color: oklch(52.8% 0.221 274.6);

Tailwind

colors: {
  custom: {
    50: '#9182f0',
    500: '#4d51e7',
    950: '#000000',
  },
}

SCSS

$custom: #4d51e7;
$custom-light: #9182f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d51e7",
  "rgb": {
    "r": 77,
    "g": 81,
    "b": 231
  },
  "hsl": {
    "h": 238.442,
    "s": 76.238,
    "l": 60.392
  },
  "oklch": {
    "l": 0.52793,
    "c": 0.22104,
    "h": 274.6
  },
  "luminance": 0.13232
}

Semantic roles & 50–950 ramp

primary

#4D51E7

secondary

#E5E4AA

accent

#D30DD8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #4D51E7

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

Preview Lab → · Contrast checker → · Palette generator →