#4E57AA#4E57AA

#4E57AA is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.2% C 0.131 H 275.8°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4E57AA
RGB	rgb(78, 87, 170)
HSL	hsl(234, 37%, 49%)
HSV	hsv(234, 54%, 67%)
CMYK	cmyk(54.1%, 48.8%, 0%, 33.3%)
CIE-LAB	lab(40.14, 20.82, -45.82)
CIE-LCH	lch(40.14, 50.33, 294.44°)
OKLab	oklab(49.2% 0.0133 -0.1306)
OKLCH	oklch(49.2% 0.131 275.8)
XYZ	xyz(13.8035, 11.3375, 39.4834)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57AA #AAA14E

analogous

#4E85AA #4E57AA #734EAA

triadic

#4E57AA #AA4E57 #57AA4E

tetradic

#4E57AA #AA4E85 #AAA14E #4EAA73

square

#4E57AA #AA4E85 #AAA14E #4EAA73

split-complementary

#4E57AA #AA734E #85AA4E

monochromatic

#282C56 #3B4280 #4E57AA #757DC0 #9FA4D3

Accessibility & contrast

On white

6.43

#4E57AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#4E57AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57AA

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57AA	#FFFFFF	#000000	##FFFFFF
##4E57AA	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3063AD

Deuteranopia (green-blind)

#255BA8

Tritanopia (blue-blind)

#236978

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4e57aa;
/* rgb */ color: rgb(78, 87, 170);
/* oklch */ color: oklch(49.2% 0.131 275.8);

Tailwind

colors: {
  custom: {
    50: '#8686c4',
    500: '#4e57aa',
    950: '#000000',
  },
}

SCSS

$custom: #4e57aa;
$custom-light: #8686c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57aa",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 170
  },
  "hsl": {
    "h": 234.13,
    "s": 37.097,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49198,
    "c": 0.13128,
    "h": 275.8
  },
  "luminance": 0.11338
}

Semantic roles & 50–950 ramp

primary

#4E57AA

secondary

#C0BC94

accent

#C25BCD

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E57AA

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

Preview Lab → · Contrast checker → · Palette generator →