#4D57EC#4D57EC

#4D57EC is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.2% C 0.221 H 273.5°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4D57EC
RGB	rgb(77, 87, 236)
HSL	hsl(236, 81%, 61%)
HSV	hsv(236, 67%, 93%)
CMYK	cmyk(67.4%, 63.1%, 0%, 7.5%)
CIE-LAB	lab(44.87, 42.78, -76.27)
CIE-LCH	lch(44.87, 87.44, 299.29°)
OKLab	oklab(54.21% 0.0133 -0.2201)
OKLCH	oklch(54.21% 0.221 273.5)
XYZ	xyz(21.6040, 14.4483, 80.9909)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57EC #ECE24D

analogous

#4DA7EC #4D57EC #934DEC

triadic

#4D57EC #EC4D57 #57EC4D

tetradic

#4D57EC #EC4DA7 #ECE24D #4DEC93

square

#4D57EC #EC4DA7 #ECE24D #4DEC93

split-complementary

#4D57EC #EC934D #A7EC4D

monochromatic

#121CAC #1825E4 #4D57EC #848BF2 #BCBFF8

Accessibility & contrast

On white

5.40

#4D57EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#4D57EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57EC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57EC	#FFFFFF	#000000	##FFFFFF
##4D57EC	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071F1

Deuteranopia (green-blind)

#0063E9

Tritanopia (blue-blind)

#007D9A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4d57ec;
/* rgb */ color: rgb(77, 87, 236);
/* oklch */ color: oklch(54.2% 0.221 273.5);

Tailwind

colors: {
  custom: {
    50: '#9186f3',
    500: '#4d57ec',
    950: '#000000',
  },
}

SCSS

$custom: #4d57ec;
$custom-light: #9186f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57ec",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 236
  },
  "hsl": {
    "h": 236.226,
    "s": 80.711,
    "l": 61.373
  },
  "oklch": {
    "l": 0.54206,
    "c": 0.22052,
    "h": 273.5
  },
  "luminance": 0.1445
}

Semantic roles & 50–950 ramp

primary

#4D57EC

secondary

#E8E4AD

accent

#D008DD

background

#F9F8FF

surface

#F2EFFE

border

#CCCAD6

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4D57EC

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

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