#4C55D9#4C55D9

#4C55D9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.2% C 0.199 H 274.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#4C55D9
RGB	rgb(76, 85, 217)
HSL	hsl(236, 65%, 57%)
HSV	hsv(236, 65%, 85%)
CMYK	cmyk(65%, 60.8%, 0%, 14.9%)
CIE-LAB	lab(42.83, 37.50, -68.82)
CIE-LCH	lch(42.83, 78.38, 298.59°)
OKLab	oklab(52.22% 0.0146 -0.1983)
OKLCH	oklch(52.22% 0.199 274.2)
XYZ	xyz(18.7492, 13.0416, 67.1614)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C55D9 #D9D04C

analogous

#4C9CD9 #4C55D9 #894CD9

triadic

#4C55D9 #D94C55 #55D94C

tetradic

#4C55D9 #D94C9C #D9D04C #4CD989

square

#4C55D9 #D94C9C #D9D04C #4CD989

split-complementary

#4C55D9 #D9894C #9CD94C

monochromatic

#1E258D #2932BF #4C55D9 #7E85E4 #B1B5EE

Accessibility & contrast

On white

5.82

#4C55D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4C55D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C55D9

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C55D9	#FFFFFF	#000000	##FFFFFF
##4C55D9	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#00768F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4c55d9;
/* rgb */ color: rgb(76, 85, 217);
/* oklch */ color: oklch(52.2% 0.199 274.2);

Tailwind

colors: {
  custom: {
    50: '#8e85e6',
    500: '#4c55d9',
    950: '#000000',
  },
}

SCSS

$custom: #4c55d9;
$custom-light: #8e85e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c55d9",
  "rgb": {
    "r": 76,
    "g": 85,
    "b": 217
  },
  "hsl": {
    "h": 236.17,
    "s": 64.977,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52218,
    "c": 0.19887,
    "h": 274.2
  },
  "luminance": 0.13043
}

Semantic roles & 50–950 ramp

primary

#4C55D9

secondary

#DDD9A4

accent

#DD40E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4C55D9

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

Preview Lab → · Contrast checker → · Palette generator →