#4B5DDB#4B5DDB

#4B5DDB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.8% C 0.192 H 272.1°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4B5DDB
RGB	rgb(75, 93, 219)
HSL	hsl(233, 67%, 58%)
HSV	hsv(233, 66%, 86%)
CMYK	cmyk(65.8%, 57.5%, 0%, 14.1%)
CIE-LAB	lab(44.85, 33.09, -66.67)
CIE-LCH	lch(44.85, 74.43, 296.40°)
OKLab	oklab(53.75% 0.007 -0.1919)
OKLCH	oklch(53.75% 0.192 272.1)
XYZ	xyz(19.5979, 14.4372, 68.7580)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5DDB #DBC94B

analogous

#4BA5DB #4B5DDB #814BDB

triadic

#4B5DDB #DB4B5D #5DDB4B

tetradic

#4B5DDB #DB4BA5 #DBC94B #4BDB81

square

#4B5DDB #DB4BA5 #DBC94B #4BDB81

split-complementary

#4B5DDB #DB814B #A5DB4B

monochromatic

#1D2B8F #273AC2 #4B5DDB #7E8BE5 #B1B9EF

Accessibility & contrast

On white

5.40

#4B5DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#4B5DDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5DDB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5DDB	#FFFFFF	#000000	##FFFFFF
##4B5DDB	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DF

Deuteranopia (green-blind)

#0064D8

Tritanopia (blue-blind)

#007C93

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4b5ddb;
/* rgb */ color: rgb(75, 93, 219);
/* oklch */ color: oklch(53.8% 0.192 272.1);

Tailwind

colors: {
  custom: {
    50: '#8d8ae7',
    500: '#4b5ddb',
    950: '#000000',
  },
}

SCSS

$custom: #4b5ddb;
$custom-light: #8d8ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5ddb",
  "rgb": {
    "r": 75,
    "g": 93,
    "b": 219
  },
  "hsl": {
    "h": 232.5,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53751,
    "c": 0.19207,
    "h": 272.1
  },
  "luminance": 0.14439
}

Semantic roles & 50–950 ramp

primary

#4B5DDB

secondary

#DED7A4

accent

#D43EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B5DDB

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

Preview Lab → · Contrast checker → · Palette generator →