#4B52CB#4B52CB

#4B52CB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.5% C 0.184 H 275.1°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4B52CB
RGB	rgb(75, 82, 203)
HSL	hsl(237, 55%, 55%)
HSV	hsv(237, 63%, 80%)
CMYK	cmyk(63.1%, 59.6%, 0%, 20.4%)
CIE-LAB	lab(40.96, 34.49, -63.82)
CIE-LCH	lch(40.96, 72.54, 298.39°)
OKLab	oklab(50.49% 0.0164 -0.1837)
OKLCH	oklch(50.49% 0.184 275.1)
XYZ	xyz(16.6949, 11.8409, 57.8941)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B52CB #CBC44B

analogous

#4B92CB #4B52CB #844BCB

triadic

#4B52CB #CB4B52 #52CB4B

tetradic

#4B52CB #CB4B92 #CBC44B #4BCB84

square

#4B52CB #CB4B92 #CBC44B #4BCB84

split-complementary

#4B52CB #CB844B #92CB4B

monochromatic

#232879 #3137A8 #4B52CB #7A80D9 #AAADE6

Accessibility & contrast

On white

6.23

#4B52CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4B52CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B52CB

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B52CB	#FFFFFF	#000000	##FFFFFF
##4B52CB	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005BC9

Tritanopia (blue-blind)

#007086

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4b52cb;
/* rgb */ color: rgb(75, 82, 203);
/* oklch */ color: oklch(50.5% 0.184 275.1);

Tailwind

colors: {
  custom: {
    50: '#8b82dc',
    500: '#4b52cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b52cb;
$custom-light: #8b82dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b52cb",
  "rgb": {
    "r": 75,
    "g": 82,
    "b": 203
  },
  "hsl": {
    "h": 236.719,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50487,
    "c": 0.18439,
    "h": 275.1
  },
  "luminance": 0.11842
}

Semantic roles & 50–950 ramp

primary

#4B52CB

secondary

#D4D19E

accent

#D649DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4B52CB

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

Preview Lab → · Contrast checker → · Palette generator →