#4B55DA#4B55DA

#4B55DA is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.2% C 0.200 H 273.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#4B55DA
RGB	rgb(75, 85, 218)
HSL	hsl(236, 66%, 57%)
HSV	hsv(236, 66%, 85%)
CMYK	cmyk(65.6%, 61%, 0%, 14.5%)
CIE-LAB	lab(42.84, 37.69, -69.37)
CIE-LCH	lch(42.84, 78.95, 298.52°)
OKLab	oklab(52.24% 0.0135 -0.1999)
OKLCH	oklch(52.24% 0.2 273.9)
XYZ	xyz(18.8008, 13.0531, 67.8448)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B55DA #DAD04B

analogous

#4B9DDA #4B55DA #884BDA

triadic

#4B55DA #DA4B55 #55DA4B

tetradic

#4B55DA #DA4B9D #DAD04B #4BDA88

square

#4B55DA #DA4B9D #DAD04B #4BDA88

split-complementary

#4B55DA #DA884B #9DDA4B

monochromatic

#1D258E #2832C0 #4B55DA #7E85E4 #B1B5EF

Accessibility & contrast

On white

5.82

#4B55DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4B55DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B55DA

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B55DA	#FFFFFF	#000000	##FFFFFF
##4B55DA	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)

#006CDE

Deuteranopia (green-blind)

#005FD7

Tritanopia (blue-blind)

#00768F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4b55da;
/* rgb */ color: rgb(75, 85, 218);
/* oklch */ color: oklch(52.2% 0.200 273.9);

Tailwind

colors: {
  custom: {
    50: '#8d85e6',
    500: '#4b55da',
    950: '#000000',
  },
}

SCSS

$custom: #4b55da;
$custom-light: #8d85e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b55da",
  "rgb": {
    "r": 75,
    "g": 85,
    "b": 218
  },
  "hsl": {
    "h": 235.804,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52239,
    "c": 0.20041,
    "h": 273.9
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary

#4B55DA

secondary

#DDD9A4

accent

#DD3FE9

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B55DA

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

Preview Lab → · Contrast checker → · Palette generator →