#4B53CB#4B53CB

#4B53CB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.7% C 0.183 H 274.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4B53CB
RGB	rgb(75, 83, 203)
HSL	hsl(236, 55%, 55%)
HSV	hsv(236, 63%, 80%)
CMYK	cmyk(63.1%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(41.20, 33.87, -63.42)
CIE-LCH	lch(41.20, 71.90, 298.10°)
OKLab	oklab(50.67% 0.0156 -0.1825)
OKLCH	oklch(50.67% 0.183 274.9)
XYZ	xyz(16.7709, 11.9928, 57.9194)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B53CB #CBC34B

analogous

#4B93CB #4B53CB #834BCB

triadic

#4B53CB #CB4B53 #53CB4B

tetradic

#4B53CB #CB4B93 #CBC34B #4BCB83

square

#4B53CB #CB4B93 #CBC34B #4BCB83

split-complementary

#4B53CB #CB834B #93CB4B

monochromatic

#232879 #3138A8 #4B53CB #7A80D9 #AAAEE6

Accessibility & contrast

On white

6.18

#4B53CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4B53CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B53CB

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B53CB	#FFFFFF	#000000	##FFFFFF
##4B53CB	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4b53cb;
/* rgb */ color: rgb(75, 83, 203);
/* oklch */ color: oklch(50.7% 0.183 274.9);

Tailwind

colors: {
  custom: {
    50: '#8b83dc',
    500: '#4b53cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b53cb;
$custom-light: #8b83dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b53cb",
  "rgb": {
    "r": 75,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 236.25,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50666,
    "c": 0.18316,
    "h": 274.9
  },
  "luminance": 0.11994
}

Semantic roles & 50–950 ramp

primary

#4B53CB

secondary

#D4D19E

accent

#D549DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4B53CB

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

Preview Lab → · Contrast checker → · Palette generator →