#4E57B5#4E57B5

#4E57B5 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.147 H 275.6°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#4E57B5
RGB	rgb(78, 87, 181)
HSL	hsl(235, 41%, 51%)
HSV	hsv(235, 57%, 71%)
CMYK	cmyk(56.9%, 51.9%, 0%, 29%)
CIE-LAB	lab(40.85, 24.48, -51.17)
CIE-LCH	lch(40.85, 56.73, 295.57°)
OKLab	oklab(49.96% 0.0144 -0.1463)
OKLCH	oklch(49.96% 0.147 275.6)
XYZ	xyz(14.8879, 11.7712, 45.1947)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57B5 #B5AC4E

analogous

#4E8AB5 #4E57B5 #784EB5

triadic

#4E57B5 #B54E57 #57B54E

tetradic

#4E57B5 #B54E8A #B5AC4E #4EB578

square

#4E57B5 #B54E8A #B5AC4E #4EB578

split-complementary

#4E57B5 #B5784E #8AB54E

monochromatic

#282D60 #3A418B #4E57B5 #7980C7 #A4A9D9

Accessibility & contrast

On white

6.26

#4E57B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4E57B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57B5

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57B5	#FFFFFF	#000000	##FFFFFF
##4E57B5	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2465B8

Deuteranopia (green-blind)

#0F5CB3

Tritanopia (blue-blind)

#116C7D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4e57b5;
/* rgb */ color: rgb(78, 87, 181);
/* oklch */ color: oklch(50.0% 0.147 275.6);

Tailwind

colors: {
  custom: {
    50: '#8886cc',
    500: '#4e57b5',
    950: '#000000',
  },
}

SCSS

$custom: #4e57b5;
$custom-light: #8886cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57b5",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 181
  },
  "hsl": {
    "h": 234.757,
    "s": 41.036,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49959,
    "c": 0.14705,
    "h": 275.6
  },
  "luminance": 0.11772
}

Semantic roles & 50–950 ramp

primary

#4E57B5

secondary

#C6C299

accent

#C657D1

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E57B5

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

Preview Lab → · Contrast checker → · Palette generator →