#4D51E1#4D51E1

#4D51E1 is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.3% C 0.214 H 274.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4D51E1
RGB	rgb(77, 81, 225)
HSL	hsl(238, 71%, 59%)
HSV	hsv(238, 66%, 88%)
CMYK	cmyk(65.8%, 64%, 0%, 11.8%)
CIE-LAB	lab(42.61, 42.72, -73.74)
CIE-LCH	lch(42.61, 85.22, 300.09°)
OKLab	oklab(52.27% 0.0184 -0.2127)
OKLCH	oklch(52.27% 0.214 274.9)
XYZ	xyz(19.5891, 12.8971, 72.6766)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D51E1 #E1DD4D

analogous

#4D9BE1 #4D51E1 #934DE1

triadic

#4D51E1 #E14D51 #51E14D

tetradic

#4D51E1 #E14D9B #E1DD4D #4DE193

square

#4D51E1 #E14D9B #E1DD4D #4DE193

split-complementary

#4D51E1 #E1934D #9BE14D

monochromatic

#1A1D9A #2327CE #4D51E1 #8184EA #B6B7F3

Accessibility & contrast

On white

5.87

#4D51E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4D51E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D51E1

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D51E1	#FFFFFF	#000000	##FFFFFF
##4D51E1	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE6

Deuteranopia (green-blind)

#005EDE

Tritanopia (blue-blind)

#007692

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4d51e1;
/* rgb */ color: rgb(77, 81, 225);
/* oklch */ color: oklch(52.3% 0.214 274.9);

Tailwind

colors: {
  custom: {
    50: '#9082eb',
    500: '#4d51e1',
    950: '#000000',
  },
}

SCSS

$custom: #4d51e1;
$custom-light: #9082eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d51e1",
  "rgb": {
    "r": 77,
    "g": 81,
    "b": 225
  },
  "hsl": {
    "h": 238.378,
    "s": 71.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.52274,
    "c": 0.21353,
    "h": 274.9
  },
  "luminance": 0.12899
}

Semantic roles & 50–950 ramp

primary

#4D51E1

secondary

#E2E0A8

accent

#E93AEE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4D51E1

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

Preview Lab → · Contrast checker → · Palette generator →