#4D51E4#4D51E4

#4D51E4 is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.5% C 0.217 H 274.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4D51E4
RGB	rgb(77, 81, 228)
HSL	hsl(238, 74%, 60%)
HSV	hsv(238, 66%, 89%)
CMYK	cmyk(66.2%, 64.5%, 0%, 10.6%)
CIE-LAB	lab(42.86, 43.71, -75.03)
CIE-LCH	lch(42.86, 86.84, 300.22°)
OKLab	oklab(52.53% 0.0181 -0.2165)
OKLCH	oklch(52.53% 0.217 274.8)
XYZ	xyz(20.0020, 13.0623, 74.8509)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D51E4 #E4E04D

analogous

#4D9CE4 #4D51E4 #954DE4

triadic

#4D51E4 #E44D51 #51E44D

tetradic

#4D51E4 #E44D9C #E4E04D #4DE495

square

#4D51E4 #E44D9C #E4E04D #4DE495

split-complementary

#4D51E4 #E4954D #9CE44D

monochromatic

#181C9F #2025D4 #4D51E4 #8285EC #B7B9F4

Accessibility & contrast

On white

5.81

#4D51E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4D51E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D51E4

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D51E4	#FFFFFF	#000000	##FFFFFF
##4D51E4	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE9

Deuteranopia (green-blind)

#005EE1

Tritanopia (blue-blind)

#007793

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4d51e4;
/* rgb */ color: rgb(77, 81, 228);
/* oklch */ color: oklch(52.5% 0.217 274.8);

Tailwind

colors: {
  custom: {
    50: '#9082ee',
    500: '#4d51e4',
    950: '#000000',
  },
}

SCSS

$custom: #4d51e4;
$custom-light: #9082ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4d51e4",
  "rgb": {
    "r": 77,
    "g": 81,
    "b": 228
  },
  "hsl": {
    "h": 238.411,
    "s": 73.659,
    "l": 59.804
  },
  "oklch": {
    "l": 0.52532,
    "c": 0.21731,
    "h": 274.8
  },
  "luminance": 0.13064
}

Semantic roles & 50–950 ramp

primary

#4D51E4

secondary

#E4E2A9

accent

#EB37F0

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4D51E4

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

Preview Lab → · Contrast checker → · Palette generator →