#4B55DB#4B55DB

#4B55DB is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.3% C 0.202 H 273.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4B55DB
RGB	rgb(75, 85, 219)
HSL	hsl(236, 67%, 58%)
HSV	hsv(236, 66%, 86%)
CMYK	cmyk(65.8%, 61.2%, 0%, 14.1%)
CIE-LAB	lab(42.92, 38.03, -69.81)
CIE-LCH	lch(42.92, 79.50, 298.58°)
OKLab	oklab(52.32% 0.0135 -0.2013)
OKLCH	oklch(52.32% 0.202 273.8)
XYZ	xyz(18.9321, 13.1056, 68.5360)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B55DB #DBD14B

analogous

#4B9DDB #4B55DB #894BDB

triadic

#4B55DB #DB4B55 #55DB4B

tetradic

#4B55DB #DB4B9D #DBD14B #4BDB89

square

#4B55DB #DB4B9D #DBD14B #4BDB89

split-complementary

#4B55DB #DB894B #9DDB4B

monochromatic

#1D258F #2732C2 #4B55DB #7E85E5 #B1B5EF

Accessibility & contrast

On white

5.80

#4B55DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4B55DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B55DB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B55DB	#FFFFFF	#000000	##FFFFFF
##4B55DB	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4b55db;
/* rgb */ color: rgb(75, 85, 219);
/* oklch */ color: oklch(52.3% 0.202 273.8);

Tailwind

colors: {
  custom: {
    50: '#8d85e7',
    500: '#4b55db',
    950: '#000000',
  },
}

SCSS

$custom: #4b55db;
$custom-light: #8d85e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b55db",
  "rgb": {
    "r": 75,
    "g": 85,
    "b": 219
  },
  "hsl": {
    "h": 235.833,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52321,
    "c": 0.2017,
    "h": 273.8
  },
  "luminance": 0.13107
}

Semantic roles & 50–950 ramp

primary

#4B55DB

secondary

#DEDAA4

accent

#DE3EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B55DB

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

Preview Lab → · Contrast checker → · Palette generator →