#4C57E7#4C57E7

#4C57E7 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 53.7% C 0.214 H 273.3°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4C57E7
RGB	rgb(76, 87, 231)
HSL	hsl(236, 76%, 60%)
HSV	hsv(236, 67%, 91%)
CMYK	cmyk(67.1%, 62.3%, 0%, 9.4%)
CIE-LAB	lab(44.41, 40.98, -74.20)
CIE-LCH	lch(44.41, 84.77, 298.91°)
OKLab	oklab(53.73% 0.0125 -0.2141)
OKLCH	oklch(53.73% 0.214 273.3)
XYZ	xyz(20.8077, 14.1205, 77.2148)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57E7 #E7DC4C

analogous

#4CA4E7 #4C57E7 #8E4CE7

triadic

#4C57E7 #E74C57 #57E74C

tetradic

#4C57E7 #E74CA4 #E7DC4C #4CE78E

square

#4C57E7 #E74CA4 #E7DC4C #4CE78E

split-complementary

#4C57E7 #E78E4C #A4E74C

monochromatic

#1620A3 #1D2AD9 #4C57E7 #828AEE #B8BCF5

Accessibility & contrast

On white

5.49

#4C57E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#4C57E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57E7

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57E7	#FFFFFF	#000000	##FFFFFF
##4C57E7	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EC

Deuteranopia (green-blind)

#0062E4

Tritanopia (blue-blind)

#007C97

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4c57e7;
/* rgb */ color: rgb(76, 87, 231);
/* oklch */ color: oklch(53.7% 0.214 273.3);

Tailwind

colors: {
  custom: {
    50: '#9086f0',
    500: '#4c57e7',
    950: '#000000',
  },
}

SCSS

$custom: #4c57e7;
$custom-light: #9086f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57e7",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 231
  },
  "hsl": {
    "h": 235.742,
    "s": 76.355,
    "l": 60.196
  },
  "oklch": {
    "l": 0.53725,
    "c": 0.21446,
    "h": 273.3
  },
  "luminance": 0.14122
}

Semantic roles & 50–950 ramp

primary

#4C57E7

secondary

#E5E1AA

accent

#CA0DD9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4C57E7

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

Preview Lab → · Contrast checker → · Palette generator →