#4B5ACC#4B5ACC

#4B5ACC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.176 H 273.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#4B5ACC
RGB	rgb(75, 90, 204)
HSL	hsl(233, 56%, 55%)
HSV	hsv(233, 63%, 80%)
CMYK	cmyk(63.2%, 55.9%, 0%, 20%)
CIE-LAB	lab(43.01, 29.83, -61.06)
CIE-LCH	lch(43.01, 67.96, 296.04°)
OKLab	oklab(52.03% 0.0093 -0.1755)
OKLCH	oklch(52.03% 0.176 273)
XYZ	xyz(17.4533, 13.1663, 58.7366)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5ACC #CCBD4B

analogous

#4B9BCC #4B5ACC #7C4BCC

triadic

#4B5ACC #CC4B5A #5ACC4B

tetradic

#4B5ACC #CC4B9B #CCBD4B #4BCC7C

square

#4B5ACC #CC4B9B #CCBD4B #4BCC7C

split-complementary

#4B5ACC #CC7C4B #9BCC4B

monochromatic

#232D7A #303EAA #4B5ACC #7B86DA #AAB1E7

Accessibility & contrast

On white

5.78

#4B5ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#4B5ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5ACC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5ACC	#FFFFFF	#000000	##FFFFFF
##4B5ACC	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4b5acc;
/* rgb */ color: rgb(75, 90, 204);
/* oklch */ color: oklch(52.0% 0.176 273.0);

Tailwind

colors: {
  custom: {
    50: '#8a88dc',
    500: '#4b5acc',
    950: '#000000',
  },
}

SCSS

$custom: #4b5acc;
$custom-light: #8a88dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5acc",
  "rgb": {
    "r": 75,
    "g": 90,
    "b": 204
  },
  "hsl": {
    "h": 233.023,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52034,
    "c": 0.17574,
    "h": 273
  },
  "luminance": 0.13168
}

Semantic roles & 50–950 ramp

primary

#4B5ACC

secondary

#D5CE9E

accent

#CE49DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B5ACC

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

Preview Lab → · Contrast checker → · Palette generator →