#4C57E5#4C57E5

#4C57E5 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.6% C 0.212 H 273.4°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4C57E5
RGB	rgb(76, 87, 229)
HSL	hsl(236, 75%, 60%)
HSV	hsv(236, 67%, 90%)
CMYK	cmyk(66.8%, 62%, 0%, 10.2%)
CIE-LAB	lab(44.24, 40.31, -73.34)
CIE-LCH	lch(44.24, 83.68, 298.80°)
OKLab	oklab(53.56% 0.0126 -0.2115)
OKLCH	oklch(53.56% 0.212 273.4)
XYZ	xyz(20.5268, 14.0081, 75.7356)
Luminance	0.1401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57E5 #E5DA4C

analogous

#4CA4E5 #4C57E5 #8D4CE5

triadic

#4C57E5 #E54C57 #57E54C

tetradic

#4C57E5 #E54CA4 #E5DA4C #4CE58D

square

#4C57E5 #E54CA4 #E5DA4C #4CE58D

split-complementary

#4C57E5 #E58D4C #A4E54C

monochromatic

#17219F #1F2CD5 #4C57E5 #8189ED #B7BBF5

Accessibility & contrast

On white

5.52

#4C57E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4C57E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57E5

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57E5	#FFFFFF	#000000	##FFFFFF
##4C57E5	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EA

Deuteranopia (green-blind)

#0062E2

Tritanopia (blue-blind)

#007B96

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4c57e5;
/* rgb */ color: rgb(76, 87, 229);
/* oklch */ color: oklch(53.6% 0.212 273.4);

Tailwind

colors: {
  custom: {
    50: '#9086ee',
    500: '#4c57e5',
    950: '#000000',
  },
}

SCSS

$custom: #4c57e5;
$custom-light: #9086ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57e5",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 229
  },
  "hsl": {
    "h": 235.686,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53557,
    "c": 0.21192,
    "h": 273.4
  },
  "luminance": 0.1401
}

Semantic roles & 50–950 ramp

primary

#4C57E5

secondary

#E4E0A9

accent

#E437F1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4C57E5

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

Preview Lab → · Contrast checker → · Palette generator →