#4C55D8#4C55D8

#4C55D8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.1% C 0.198 H 274.3°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4C55D8
RGB	rgb(76, 85, 216)
HSL	hsl(236, 64%, 57%)
HSV	hsv(236, 65%, 85%)
CMYK	cmyk(64.8%, 60.6%, 0%, 15.3%)
CIE-LAB	lab(42.75, 37.17, -68.38)
CIE-LCH	lch(42.75, 77.83, 298.53°)
OKLab	oklab(52.14% 0.0147 -0.197)
OKLCH	oklch(52.14% 0.198 274.3)
XYZ	xyz(18.6196, 12.9897, 66.4785)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C55D8 #D8CF4C

analogous

#4C9BD8 #4C55D8 #894CD8

triadic

#4C55D8 #D84C55 #55D84C

tetradic

#4C55D8 #D84C9B #D8CF4C #4CD889

square

#4C55D8 #D84C9B #D8CF4C #4CD889

split-complementary

#4C55D8 #D8894C #9BD84C

monochromatic

#1E258B #2933BE #4C55D8 #7E85E3 #B1B4EE

Accessibility & contrast

On white

5.84

#4C55D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4C55D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C55D8

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C55D8	#FFFFFF	#000000	##FFFFFF
##4C55D8	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDC

Deuteranopia (green-blind)

#005FD5

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4c55d8;
/* rgb */ color: rgb(76, 85, 216);
/* oklch */ color: oklch(52.1% 0.198 274.3);

Tailwind

colors: {
  custom: {
    50: '#8d85e5',
    500: '#4c55d8',
    950: '#000000',
  },
}

SCSS

$custom: #4c55d8;
$custom-light: #8d85e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c55d8",
  "rgb": {
    "r": 76,
    "g": 85,
    "b": 216
  },
  "hsl": {
    "h": 236.143,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52136,
    "c": 0.19757,
    "h": 274.3
  },
  "luminance": 0.12991
}

Semantic roles & 50–950 ramp

primary

#4C55D8

secondary

#DCD9A4

accent

#DD41E7

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4C55D8

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

Preview Lab → · Contrast checker → · Palette generator →