#4E57CA#4E57CA

#4E57CA is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.5% C 0.176 H 275.0°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4E57CA
RGB	rgb(78, 87, 202)
HSL	hsl(236, 54%, 55%)
HSV	hsv(236, 61%, 79%)
CMYK	cmyk(61.4%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(42.31, 31.53, -61.05)
CIE-LCH	lch(42.31, 68.71, 297.32°)
OKLab	oklab(51.51% 0.0153 -0.1754)
OKLCH	oklch(51.51% 0.176 275)
XYZ	xyz(17.2073, 12.6990, 57.4100)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57CA #CAC14E

analogous

#4E95CA #4E57CA #834ECA

triadic

#4E57CA #CA4E57 #57CA4E

tetradic

#4E57CA #CA4E95 #CAC14E #4ECA83

square

#4E57CA #CA4E95 #CAC14E #4ECA83

split-complementary

#4E57CA #CA834E #95CA4E

monochromatic

#242A79 #323BA8 #4E57CA #7D84D8 #ACB0E6

Accessibility & contrast

On white

5.93

#4E57CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4E57CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57CA

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57CA	#FFFFFF	#000000	##FFFFFF
##4E57CA	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4e57ca;
/* rgb */ color: rgb(78, 87, 202);
/* oklch */ color: oklch(51.5% 0.176 275.0);

Tailwind

colors: {
  custom: {
    50: '#8c86db',
    500: '#4e57ca',
    950: '#000000',
  },
}

SCSS

$custom: #4e57ca;
$custom-light: #8c86db;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57ca",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 235.645,
    "s": 53.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51511,
    "c": 0.17607,
    "h": 275
  },
  "luminance": 0.127
}

Semantic roles & 50–950 ramp

primary

#4E57CA

secondary

#D4D0A0

accent

#D34BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E57CA

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

Preview Lab → · Contrast checker → · Palette generator →