#4C57EB#4C57EB

#4C57EB is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.1% C 0.220 H 273.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4C57EB
RGB	rgb(76, 87, 235)
HSL	hsl(236, 80%, 61%)
HSV	hsv(236, 68%, 92%)
CMYK	cmyk(67.7%, 63%, 0%, 7.8%)
CIE-LAB	lab(44.73, 42.31, -75.93)
CIE-LCH	lch(44.73, 86.93, 299.13°)
OKLab	oklab(54.06% 0.0123 -0.2192)
OKLCH	oklch(54.06% 0.22 273.2)
XYZ	xyz(21.3791, 14.3490, 80.2241)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57EB #EBE04C

analogous

#4CA6EB #4C57EB #904CEB

triadic

#4C57EB #EB4C57 #57EB4C

tetradic

#4C57EB #EB4CA6 #EBE04C #4CEB90

square

#4C57EB #EB4CA6 #EBE04C #4CEB90

split-complementary

#4C57EB #EB904C #A6EB4C

monochromatic

#131DAA #1927E1 #4C57EB #838BF1 #BABEF7

Accessibility & contrast

On white

5.43

#4C57EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#4C57EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57EB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57EB	#FFFFFF	#000000	##FFFFFF
##4C57EB	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071F0

Deuteranopia (green-blind)

#0063E8

Tritanopia (blue-blind)

#007D99

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4c57eb;
/* rgb */ color: rgb(76, 87, 235);
/* oklch */ color: oklch(54.1% 0.220 273.2);

Tailwind

colors: {
  custom: {
    50: '#9186f3',
    500: '#4c57eb',
    950: '#000000',
  },
}

SCSS

$custom: #4c57eb;
$custom-light: #9186f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57eb",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 235
  },
  "hsl": {
    "h": 235.849,
    "s": 79.899,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54063,
    "c": 0.21951,
    "h": 273.2
  },
  "luminance": 0.14351
}

Semantic roles & 50–950 ramp

primary

#4C57EB

secondary

#E7E3AB

accent

#CE09DC

background

#F9F8FF

surface

#F2EFFE

border

#CCCAD6

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4C57EB

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

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