#4E57E1#4E57E1

#4E57E1 is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.3% C 0.206 H 274.2°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4E57E1
RGB	rgb(78, 87, 225)
HSL	hsl(236, 71%, 59%)
HSV	hsv(236, 65%, 88%)
CMYK	cmyk(65.3%, 61.3%, 0%, 11.8%)
CIE-LAB	lab(44.05, 39.25, -71.39)
CIE-LCH	lch(44.05, 81.46, 298.80°)
OKLab	oklab(53.34% 0.015 -0.2058)
OKLCH	oklch(53.34% 0.206 274.2)
XYZ	xyz(20.1362, 13.8706, 72.8357)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57E1 #E1D84E

analogous

#4EA0E1 #4E57E1 #8F4EE1

triadic

#4E57E1 #E14E57 #57E14E

tetradic

#4E57E1 #E14EA0 #E1D84E #4EE18F

square

#4E57E1 #E14EA0 #E1D84E #4EE18F

split-complementary

#4E57E1 #E18F4E #A0E14E

monochromatic

#1A229A #232ECF #4E57E1 #8289EA #B7BAF3

Accessibility & contrast

On white

5.56

#4E57E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4E57E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57E1

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57E1	#FFFFFF	#000000	##FFFFFF
##4E57E1	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE5

Deuteranopia (green-blind)

#0062DE

Tritanopia (blue-blind)

#007A94

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e57e1;
/* rgb */ color: rgb(78, 87, 225);
/* oklch */ color: oklch(53.3% 0.206 274.2);

Tailwind

colors: {
  custom: {
    50: '#9086eb',
    500: '#4e57e1',
    950: '#000000',
  },
}

SCSS

$custom: #4e57e1;
$custom-light: #9086eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57e1",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 225
  },
  "hsl": {
    "h": 236.327,
    "s": 71.014,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53344,
    "c": 0.20632,
    "h": 274.2
  },
  "luminance": 0.13872
}

Semantic roles & 50–950 ramp

primary

#4E57E1

secondary

#E2DFA9

accent

#E33AEE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4E57E1

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

Preview Lab → · Contrast checker → · Palette generator →