#4E57D0#4E57D0

#4E57D0 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.0% C 0.184 H 274.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4E57D0
RGB	rgb(78, 87, 208)
HSL	hsl(236, 58%, 56%)
HSV	hsv(236, 63%, 82%)
CMYK	cmyk(62.5%, 58.2%, 0%, 18.4%)
CIE-LAB	lab(42.75, 33.55, -63.79)
CIE-LCH	lch(42.75, 72.07, 297.74°)
OKLab	oklab(51.98% 0.0153 -0.1835)
OKLCH	oklch(51.98% 0.184 274.8)
XYZ	xyz(17.9315, 12.9887, 61.2244)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57D0 #D0C74E

analogous

#4E98D0 #4E57D0 #864ED0

triadic

#4E57D0 #D04E57 #57D04E

tetradic

#4E57D0 #D04E98 #D0C74E #4ED086

square

#4E57D0 #D04E98 #D0C74E #4ED086

split-complementary

#4E57D0 #D0864E #98D04E

monochromatic

#222981 #2F38B2 #4E57D0 #7E85DD #AFB3EA

Accessibility & contrast

On white

5.84

#4E57D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4E57D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57D0

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57D0	#FFFFFF	#000000	##FFFFFF
##4E57D0	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4e57d0;
/* rgb */ color: rgb(78, 87, 208);
/* oklch */ color: oklch(52.0% 0.184 274.8);

Tailwind

colors: {
  custom: {
    50: '#8d86df',
    500: '#4e57d0',
    950: '#000000',
  },
}

SCSS

$custom: #4e57d0;
$custom-light: #8d86df;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57d0",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 208
  },
  "hsl": {
    "h": 235.846,
    "s": 58.036,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51977,
    "c": 0.1841,
    "h": 274.8
  },
  "luminance": 0.1299
}

Semantic roles & 50–950 ramp

primary

#4E57D0

secondary

#D8D4A2

accent

#D747E1

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E57D0

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

Preview Lab → · Contrast checker → · Palette generator →