#4D55D1#4D55D1

#4D55D1 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.6% C 0.188 H 274.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4D55D1
RGB	rgb(77, 85, 209)
HSL	hsl(236, 59%, 56%)
HSV	hsv(236, 63%, 82%)
CMYK	cmyk(63.2%, 59.3%, 0%, 18%)
CIE-LAB	lab(42.27, 34.97, -65.14)
CIE-LCH	lch(42.27, 73.93, 298.23°)
OKLab	oklab(51.63% 0.016 -0.1875)
OKLCH	oklch(51.63% 0.188 274.9)
XYZ	xyz(17.8139, 12.6767, 61.8173)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D55D1 #D1C94D

analogous

#4D97D1 #4D55D1 #874DD1

triadic

#4D55D1 #D14D55 #55D14D

tetradic

#4D55D1 #D14D97 #D1C94D #4DD187

square

#4D55D1 #D14D97 #D1C94D #4DD187

split-complementary

#4D55D1 #D1874D #97D14D

monochromatic

#222782 #2E36B3 #4D55D1 #7E83DE #AEB2EA

Accessibility & contrast

On white

5.94

#4D55D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4D55D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D55D1

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D55D1	#FFFFFF	#000000	##FFFFFF
##4D55D1	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD5

Deuteranopia (green-blind)

#005ECF

Tritanopia (blue-blind)

#00738B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4d55d1;
/* rgb */ color: rgb(77, 85, 209);
/* oklch */ color: oklch(51.6% 0.188 274.9);

Tailwind

colors: {
  custom: {
    50: '#8d85e0',
    500: '#4d55d1',
    950: '#000000',
  },
}

SCSS

$custom: #4d55d1;
$custom-light: #8d85e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d55d1",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 209
  },
  "hsl": {
    "h": 236.364,
    "s": 58.929,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51632,
    "c": 0.18815,
    "h": 274.9
  },
  "luminance": 0.12678
}

Semantic roles & 50–950 ramp

primary

#4D55D1

secondary

#D8D5A2

accent

#D946E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D55D1

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

Preview Lab → · Contrast checker → · Palette generator →