#4D57D9#4D57D9

#4D57D9 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.6% C 0.196 H 274.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4D57D9
RGB	rgb(77, 87, 217)
HSL	hsl(236, 65%, 58%)
HSV	hsv(236, 65%, 85%)
CMYK	cmyk(64.5%, 59.9%, 0%, 14.9%)
CIE-LAB	lab(43.36, 36.42, -67.95)
CIE-LCH	lch(43.36, 77.09, 298.19°)
OKLab	oklab(52.63% 0.0141 -0.1957)
OKLCH	oklch(52.63% 0.196 274.1)
XYZ	xyz(18.9890, 13.4023, 67.2184)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57D9 #D9CF4D

analogous

#4D9DD9 #4D57D9 #894DD9

triadic

#4D57D9 #D94D57 #57D94D

tetradic

#4D57D9 #D94D9D #D9CF4D #4DD989

square

#4D57D9 #D94D9D #D9CF4D #4DD989

split-complementary

#4D57D9 #D9894D #9DD94D

monochromatic

#1E268D #2934C0 #4D57D9 #7F87E4 #B2B6EF

Accessibility & contrast

On white

5.71

#4D57D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4D57D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57D9

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57D9	#FFFFFF	#000000	##FFFFFF
##4D57D9	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#0060D6

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4d57d9;
/* rgb */ color: rgb(77, 87, 217);
/* oklch */ color: oklch(52.6% 0.196 274.1);

Tailwind

colors: {
  custom: {
    50: '#8e86e6',
    500: '#4d57d9',
    950: '#000000',
  },
}

SCSS

$custom: #4d57d9;
$custom-light: #8e86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57d9",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 217
  },
  "hsl": {
    "h": 235.714,
    "s": 64.815,
    "l": 57.647
  },
  "oklch": {
    "l": 0.5263,
    "c": 0.19621,
    "h": 274.1
  },
  "luminance": 0.13404
}

Semantic roles & 50–950 ramp

primary

#4D57D9

secondary

#DDD9A5

accent

#DC40E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4D57D9

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

Preview Lab → · Contrast checker → · Palette generator →