#4E57DD#4E57DD

#4E57DD is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.0% C 0.201 H 274.3°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4E57DD
RGB	rgb(78, 87, 221)
HSL	hsl(236, 68%, 59%)
HSV	hsv(236, 65%, 87%)
CMYK	cmyk(64.7%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(43.73, 37.91, -69.62)
CIE-LCH	lch(43.73, 79.27, 298.57°)
OKLab	oklab(53.02% 0.0151 -0.2006)
OKLCH	oklch(53.02% 0.201 274.3)
XYZ	xyz(19.5969, 13.6548, 69.9955)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57DD #DDD44E

analogous

#4E9EDD #4E57DD #8C4EDD

triadic

#4E57DD #DD4E57 #57DD4E

tetradic

#4E57DD #DD4E9E #DDD44E #4EDD8C

square

#4E57DD #DD4E9E #DDD44E #4EDD8C

split-complementary

#4E57DD #DD8C4E #9EDD4E

monochromatic

#1C2494 #2630C7 #4E57DD #8188E7 #B5B8F1

Accessibility & contrast

On white

5.63

#4E57DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#4E57DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57DD

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57DD	#FFFFFF	#000000	##FFFFFF
##4E57DD	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE1

Deuteranopia (green-blind)

#0061DA

Tritanopia (blue-blind)

#007892

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4e57dd;
/* rgb */ color: rgb(78, 87, 221);
/* oklch */ color: oklch(53.0% 0.201 274.3);

Tailwind

colors: {
  custom: {
    50: '#8f86e9',
    500: '#4e57dd',
    950: '#000000',
  },
}

SCSS

$custom: #4e57dd;
$custom-light: #8f86e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57dd",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 236.224,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53016,
    "c": 0.20117,
    "h": 274.3
  },
  "luminance": 0.13657
}

Semantic roles & 50–950 ramp

primary

#4E57DD

secondary

#E0DCA7

accent

#E03DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4E57DD

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

Preview Lab → · Contrast checker → · Palette generator →