#4D57D0#4D57D0

#4D57D0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.9% C 0.184 H 274.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#4D57D0
RGB	rgb(77, 87, 208)
HSL	hsl(235, 58%, 56%)
HSV	hsv(235, 63%, 82%)
CMYK	cmyk(63%, 58.2%, 0%, 18.4%)
CIE-LAB	lab(42.68, 33.39, -63.90)
CIE-LCH	lch(42.68, 72.09, 297.59°)
OKLab	oklab(51.91% 0.0142 -0.1838)
OKLCH	oklch(51.91% 0.184 274.4)
XYZ	xyz(17.8502, 12.9467, 61.2206)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57D0 #D0C64D

analogous

#4D98D0 #4D57D0 #844DD0

triadic

#4D57D0 #D04D57 #57D04D

tetradic

#4D57D0 #D04D98 #D0C64D #4DD084

square

#4D57D0 #D04D98 #D0C64D #4DD084

split-complementary

#4D57D0 #D0844D #98D04D

monochromatic

#222981 #2F39B1 #4D57D0 #7D85DD #AEB2EA

Accessibility & contrast

On white

5.85

#4D57D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#4D57D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57D0

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57D0	#FFFFFF	#000000	##FFFFFF
##4D57D0	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4d57d0;
/* rgb */ color: rgb(77, 87, 208);
/* oklch */ color: oklch(51.9% 0.184 274.4);

Tailwind

colors: {
  custom: {
    50: '#8c86df',
    500: '#4d57d0',
    950: '#000000',
  },
}

SCSS

$custom: #4d57d0;
$custom-light: #8c86df;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57d0",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 208
  },
  "hsl": {
    "h": 235.42,
    "s": 58.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51913,
    "c": 0.18435,
    "h": 274.4
  },
  "luminance": 0.12948
}

Semantic roles & 50–950 ramp

primary

#4D57D0

secondary

#D8D3A1

accent

#D646E1

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D57D0

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

Preview Lab → · Contrast checker → · Palette generator →