#4D57DD#4D57DD

#4D57DD is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.0% C 0.201 H 274.0°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4D57DD
RGB	rgb(77, 87, 221)
HSL	hsl(236, 68%, 58%)
HSV	hsv(236, 65%, 87%)
CMYK	cmyk(65.2%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(43.67, 37.77, -69.72)
CIE-LCH	lch(43.67, 79.29, 298.44°)
OKLab	oklab(52.96% 0.014 -0.2009)
OKLCH	oklch(52.96% 0.201 274)
XYZ	xyz(19.5156, 13.6129, 69.9917)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57DD #DDD34D

analogous

#4D9FDD #4D57DD #8B4DDD

triadic

#4D57DD #DD4D57 #57DD4D

tetradic

#4D57DD #DD4D9F #DDD34D #4DDD8B

square

#4D57DD #DD4D9F #DDD34D #4DDD8B

split-complementary

#4D57DD #DD8B4D #9FDD4D

monochromatic

#1C2493 #2631C7 #4D57DD #8087E7 #B4B8F1

Accessibility & contrast

On white

5.64

#4D57DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#4D57DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57DD

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57DD	#FFFFFF	#000000	##FFFFFF
##4D57DD	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE1

Deuteranopia (green-blind)

#0061DA

Tritanopia (blue-blind)

#007992

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4d57dd;
/* rgb */ color: rgb(77, 87, 221);
/* oklch */ color: oklch(53.0% 0.201 274.0);

Tailwind

colors: {
  custom: {
    50: '#8f86e9',
    500: '#4d57dd',
    950: '#000000',
  },
}

SCSS

$custom: #4d57dd;
$custom-light: #8f86e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57dd",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 235.833,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52955,
    "c": 0.20141,
    "h": 274
  },
  "luminance": 0.13615
}

Semantic roles & 50–950 ramp

primary

#4D57DD

secondary

#DFDCA6

accent

#DF3DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4D57DD

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

Preview Lab → · Contrast checker → · Palette generator →