#4D55CF#4D55CF

#4D55CF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.5% C 0.185 H 274.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4D55CF
RGB	rgb(77, 85, 207)
HSL	hsl(236, 58%, 56%)
HSV	hsv(236, 63%, 81%)
CMYK	cmyk(62.8%, 58.9%, 0%, 18.8%)
CIE-LAB	lab(42.12, 34.29, -64.23)
CIE-LCH	lch(42.12, 72.82, 298.10°)
OKLab	oklab(51.47% 0.016 -0.1848)
OKLCH	oklch(51.47% 0.186 274.9)
XYZ	xyz(17.5679, 12.5783, 60.5215)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D55CF #CFC74D

analogous

#4D96CF #4D55CF #864DCF

triadic

#4D55CF #CF4D55 #55CF4D

tetradic

#4D55CF #CF4D96 #CFC74D #4DCF86

square

#4D55CF #CF4D96 #CFC74D #4DCF86

split-complementary

#4D55CF #CF864D #96CF4D

monochromatic

#22287F #2F37AF #4D55CF #7D83DC #ADB1E9

Accessibility & contrast

On white

5.97

#4D55CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4D55CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D55CF

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D55CF	#FFFFFF	#000000	##FFFFFF
##4D55CF	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4d55cf;
/* rgb */ color: rgb(77, 85, 207);
/* oklch */ color: oklch(51.5% 0.185 274.9);

Tailwind

colors: {
  custom: {
    50: '#8c85df',
    500: '#4d55cf',
    950: '#000000',
  },
}

SCSS

$custom: #4d55cf;
$custom-light: #8c85df;
$custom-dark: #000000;

JSON

{
  "hex": "#4d55cf",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 207
  },
  "hsl": {
    "h": 236.308,
    "s": 57.522,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51473,
    "c": 0.1855,
    "h": 274.9
  },
  "luminance": 0.1258
}

Semantic roles & 50–950 ramp

primary

#4D55CF

secondary

#D7D4A1

accent

#D747E1

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D55CF

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

Preview Lab → · Contrast checker → · Palette generator →