#4E57E3#4E57E3

#4E57E3 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.5% C 0.209 H 274.1°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4E57E3
RGB	rgb(78, 87, 227)
HSL	hsl(236, 73%, 60%)
HSV	hsv(236, 66%, 89%)
CMYK	cmyk(65.6%, 61.7%, 0%, 11%)
CIE-LAB	lab(44.20, 39.91, -72.26)
CIE-LCH	lch(44.20, 82.55, 298.91°)
OKLab	oklab(53.51% 0.0149 -0.2083)
OKLCH	oklch(53.51% 0.209 274.1)
XYZ	xyz(20.4106, 13.9803, 74.2810)
Luminance	0.1398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57E3 #E3DA4E

analogous

#4EA1E3 #4E57E3 #904EE3

triadic

#4E57E3 #E34E57 #57E34E

tetradic

#4E57E3 #E34EA1 #E3DA4E #4EE390

square

#4E57E3 #E34EA1 #E3DA4E #4EE390

split-complementary

#4E57E3 #E3904E #A1E34E

monochromatic

#19219E #212CD3 #4E57E3 #8389EB #B8BBF4

Accessibility & contrast

On white

5.53

#4E57E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4E57E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57E3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57E3	#FFFFFF	#000000	##FFFFFF
##4E57E3	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE8

Deuteranopia (green-blind)

#0062E0

Tritanopia (blue-blind)

#007A95

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e57e3;
/* rgb */ color: rgb(78, 87, 227);
/* oklch */ color: oklch(53.5% 0.209 274.1);

Tailwind

colors: {
  custom: {
    50: '#9086ed',
    500: '#4e57e3',
    950: '#000000',
  },
}

SCSS

$custom: #4e57e3;
$custom-light: #9086ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57e3",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 227
  },
  "hsl": {
    "h": 236.376,
    "s": 72.683,
    "l": 59.804
  },
  "oklch": {
    "l": 0.5351,
    "c": 0.20888,
    "h": 274.1
  },
  "luminance": 0.13982
}

Semantic roles & 50–950 ramp

primary

#4E57E3

secondary

#E3E0AA

accent

#E438EF

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4E57E3

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

Preview Lab → · Contrast checker → · Palette generator →