#4B53BB#4B53BB

#4B53BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.161 H 275.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4B53BB
RGB	rgb(75, 83, 187)
HSL	hsl(236, 45%, 51%)
HSV	hsv(236, 60%, 73%)
CMYK	cmyk(59.9%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(40.03, 28.46, -56.02)
CIE-LCH	lch(40.03, 62.84, 296.93°)
OKLab	oklab(49.42% 0.0154 -0.1607)
OKLCH	oklch(49.42% 0.161 275.5)
XYZ	xyz(14.9616, 11.2691, 48.3908)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B53BB #BBB34B

analogous

#4B8BBB #4B53BB #7B4BBB

triadic

#4B53BB #BB4B53 #53BB4B

tetradic

#4B53BB #BB4B8B #BBB34B #4BBB7B

square

#4B53BB #BB4B8B #BBB34B #4BBB7B

split-complementary

#4B53BB #BB7B4B #8BBB4B

monochromatic

#262B65 #373E92 #4B53BB #777DCC #A4A8DD

Accessibility & contrast

On white

6.45

#4B53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4B53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B53BB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B53BB	#FFFFFF	#000000	##FFFFFF
##4B53BB	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4b53bb;
/* rgb */ color: rgb(75, 83, 187);
/* oklch */ color: oklch(49.4% 0.161 275.5);

Tailwind

colors: {
  custom: {
    50: '#8883d0',
    500: '#4b53bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b53bb;
$custom-light: #8883d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b53bb",
  "rgb": {
    "r": 75,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 235.714,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49423,
    "c": 0.16148,
    "h": 275.5
  },
  "luminance": 0.1127
}

Semantic roles & 50–950 ramp

primary

#4B53BB

secondary

#CAC698

accent

#CC53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4B53BB

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

Preview Lab → · Contrast checker → · Palette generator →