#4E57A3#4E57A3

#4E57A3 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.121 H 275.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#4E57A3
RGB	rgb(78, 87, 163)
HSL	hsl(234, 35%, 47%)
HSV	hsv(234, 52%, 64%)
CMYK	cmyk(52.1%, 46.6%, 0%, 36.1%)
CIE-LAB	lab(39.71, 18.51, -42.35)
CIE-LCH	lch(39.71, 46.22, 293.61°)
OKLab	oklab(48.73% 0.0124 -0.1204)
OKLCH	oklch(48.73% 0.121 275.9)
XYZ	xyz(13.1589, 11.0796, 36.0884)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57A3 #A39A4E

analogous

#4E82A3 #4E57A3 #704EA3

triadic

#4E57A3 #A34E57 #57A34E

tetradic

#4E57A3 #A34E82 #A39A4E #4EA370

square

#4E57A3 #A34E82 #A39A4E #4EA370

split-complementary

#4E57A3 #A3704E #82A34E

monochromatic

#262B50 #3A417A #4E57A3 #727ABC #9CA1D0

Accessibility & contrast

On white

6.53

#4E57A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4E57A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57A3

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57A3	#FFFFFF	#000000	##FFFFFF
##4E57A3	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3661A6

Deuteranopia (green-blind)

#2D5AA1

Tritanopia (blue-blind)

#2A6775

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4e57a3;
/* rgb */ color: rgb(78, 87, 163);
/* oklch */ color: oklch(48.7% 0.121 275.9);

Tailwind

colors: {
  custom: {
    50: '#8586bf',
    500: '#4e57a3',
    950: '#000000',
  },
}

SCSS

$custom: #4e57a3;
$custom-light: #8586bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57a3",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 163
  },
  "hsl": {
    "h": 233.647,
    "s": 35.27,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48734,
    "c": 0.12105,
    "h": 275.9
  },
  "luminance": 0.1108
}

Semantic roles & 50–950 ramp

primary

#4E57A3

secondary

#BCB891

accent

#C05CCB

background

#F8F8FB

surface

#F0EFF7

border

#CBCAD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #4E57A3

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

Preview Lab → · Contrast checker → · Palette generator →