#4E57C8#4E57C8

#4E57C8 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.173 H 275.1°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4E57C8
RGB	rgb(78, 87, 200)
HSL	hsl(236, 53%, 55%)
HSV	hsv(236, 61%, 78%)
CMYK	cmyk(61%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(42.16, 30.86, -60.12)
CIE-LCH	lch(42.16, 67.58, 297.17°)
OKLab	oklab(51.36% 0.0153 -0.1727)
OKLCH	oklch(51.36% 0.173 275.1)
XYZ	xyz(16.9720, 12.6049, 56.1710)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57C8 #C8BF4E

analogous

#4E94C8 #4E57C8 #824EC8

triadic

#4E57C8 #C84E57 #57C84E

tetradic

#4E57C8 #C84E94 #C8BF4E #4EC882

square

#4E57C8 #C84E94 #C8BF4E #4EC882

split-complementary

#4E57C8 #C8824E #94C84E

monochromatic

#252B77 #333CA5 #4E57C8 #7D83D7 #ABB0E5

Accessibility & contrast

On white

5.96

#4E57C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4E57C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57C8

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57C8	#FFFFFF	#000000	##FFFFFF
##4E57C8	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4e57c8;
/* rgb */ color: rgb(78, 87, 200);
/* oklch */ color: oklch(51.4% 0.173 275.1);

Tailwind

colors: {
  custom: {
    50: '#8b86d9',
    500: '#4e57c8',
    950: '#000000',
  },
}

SCSS

$custom: #4e57c8;
$custom-light: #8b86d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57c8",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 235.574,
    "s": 52.586,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51358,
    "c": 0.17335,
    "h": 275.1
  },
  "luminance": 0.12606
}

Semantic roles & 50–950 ramp

primary

#4E57C8

secondary

#D3CF9F

accent

#D14CDC

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E57C8

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

Preview Lab → · Contrast checker → · Palette generator →