#4B5BDB#4B5BDB

#4B5BDB is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.4% C 0.194 H 272.6°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BDB
RGB	rgb(75, 91, 219)
HSL	hsl(233, 67%, 58%)
HSV	hsv(233, 66%, 86%)
CMYK	cmyk(65.8%, 58.4%, 0%, 14.1%)
CIE-LAB	lab(44.36, 34.33, -67.47)
CIE-LCH	lch(44.36, 75.70, 296.97°)
OKLab	oklab(53.39% 0.0087 -0.1943)
OKLCH	oklch(53.39% 0.194 272.6)
XYZ	xyz(19.4246, 14.0907, 68.7002)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BDB #DBCB4B

analogous

#4BA3DB #4B5BDB #834BDB

triadic

#4B5BDB #DB4B5B #5BDB4B

tetradic

#4B5BDB #DB4BA3 #DBCB4B #4BDB83

square

#4B5BDB #DB4BA3 #DBCB4B #4BDB83

split-complementary

#4B5BDB #DB834B #A3DB4B

monochromatic

#1D298F #2738C2 #4B5BDB #7E89E5 #B1B8EF

Accessibility & contrast

On white

5.50

#4B5BDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#4B5BDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BDB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BDB	#FFFFFF	#000000	##FFFFFF
##4B5BDB	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#0063D8

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4b5bdb;
/* rgb */ color: rgb(75, 91, 219);
/* oklch */ color: oklch(53.4% 0.194 272.6);

Tailwind

colors: {
  custom: {
    50: '#8d89e7',
    500: '#4b5bdb',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bdb;
$custom-light: #8d89e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bdb",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 219
  },
  "hsl": {
    "h": 233.333,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53387,
    "c": 0.19449,
    "h": 272.6
  },
  "luminance": 0.14092
}

Semantic roles & 50–950 ramp

primary

#4B5BDB

secondary

#DED7A4

accent

#D73EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B5BDB

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

Preview Lab → · Contrast checker → · Palette generator →