#4D57E1#4D57E1

#4D57E1 is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.3% C 0.207 H 273.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4D57E1
RGB	rgb(77, 87, 225)
HSL	hsl(236, 71%, 59%)
HSV	hsv(236, 66%, 88%)
CMYK	cmyk(65.8%, 61.3%, 0%, 11.8%)
CIE-LAB	lab(43.99, 39.11, -71.49)
CIE-LCH	lch(43.99, 81.48, 298.68°)
OKLab	oklab(53.28% 0.0139 -0.2061)
OKLCH	oklch(53.28% 0.207 273.8)
XYZ	xyz(20.0549, 13.8286, 72.8319)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57E1 #E1D74D

analogous

#4DA1E1 #4D57E1 #8D4DE1

triadic

#4D57E1 #E14D57 #57E14D

tetradic

#4D57E1 #E14DA1 #E1D74D #4DE18D

square

#4D57E1 #E14DA1 #E1D74D #4DE18D

split-complementary

#4D57E1 #E18D4D #A1E14D

monochromatic

#1A239A #232ECE #4D57E1 #8188EA #B6BAF3

Accessibility & contrast

On white

5.58

#4D57E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4D57E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57E1

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57E1	#FFFFFF	#000000	##FFFFFF
##4D57E1	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE5

Deuteranopia (green-blind)

#0061DE

Tritanopia (blue-blind)

#007A94

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4d57e1;
/* rgb */ color: rgb(77, 87, 225);
/* oklch */ color: oklch(53.3% 0.207 273.8);

Tailwind

colors: {
  custom: {
    50: '#8f86eb',
    500: '#4d57e1',
    950: '#000000',
  },
}

SCSS

$custom: #4d57e1;
$custom-light: #8f86eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57e1",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 225
  },
  "hsl": {
    "h": 235.946,
    "s": 71.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53284,
    "c": 0.20656,
    "h": 273.8
  },
  "luminance": 0.1383
}

Semantic roles & 50–950 ramp

primary

#4D57E1

secondary

#E2DEA8

accent

#E23AEE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4D57E1

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

Preview Lab → · Contrast checker → · Palette generator →