#4E57CE#4E57CE

#4E57CE is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.8% C 0.181 H 274.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4E57CE
RGB	rgb(78, 87, 206)
HSL	hsl(236, 57%, 56%)
HSV	hsv(236, 62%, 81%)
CMYK	cmyk(62.1%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(42.60, 32.88, -62.88)
CIE-LCH	lch(42.60, 70.96, 297.60°)
OKLab	oklab(51.82% 0.0153 -0.1808)
OKLCH	oklch(51.82% 0.181 274.8)
XYZ	xyz(17.6870, 12.8909, 59.9367)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57CE #CEC54E

analogous

#4E97CE #4E57CE #854ECE

triadic

#4E57CE #CE4E57 #57CE4E

tetradic

#4E57CE #CE4E97 #CEC54E #4ECE85

square

#4E57CE #CE4E97 #CEC54E #4ECE85

split-complementary

#4E57CE #CE854E #97CE4E

monochromatic

#23297F #3039AE #4E57CE #7E84DB #AEB2E9

Accessibility & contrast

On white

5.87

#4E57CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4E57CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57CE

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57CE	#FFFFFF	#000000	##FFFFFF
##4E57CE	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD2

Deuteranopia (green-blind)

#005FCC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4e57ce;
/* rgb */ color: rgb(78, 87, 206);
/* oklch */ color: oklch(51.8% 0.181 274.8);

Tailwind

colors: {
  custom: {
    50: '#8c86de',
    500: '#4e57ce',
    950: '#000000',
  },
}

SCSS

$custom: #4e57ce;
$custom-light: #8c86de;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57ce",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 235.781,
    "s": 56.637,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5182,
    "c": 0.18144,
    "h": 274.8
  },
  "luminance": 0.12892
}

Semantic roles & 50–950 ramp

primary

#4E57CE

secondary

#D7D3A1

accent

#D548E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E57CE

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

Preview Lab → · Contrast checker → · Palette generator →