#4B5CDB#4B5CDB

#4B5CDB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.6% C 0.193 H 272.3°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4B5CDB
RGB	rgb(75, 92, 219)
HSL	hsl(233, 67%, 58%)
HSV	hsv(233, 66%, 86%)
CMYK	cmyk(65.8%, 58%, 0%, 14.1%)
CIE-LAB	lab(44.61, 33.71, -67.07)
CIE-LCH	lch(44.61, 75.06, 296.69°)
OKLab	oklab(53.57% 0.0078 -0.1931)
OKLCH	oklch(53.57% 0.193 272.3)
XYZ	xyz(19.5107, 14.2629, 68.7289)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5CDB #DBCA4B

analogous

#4BA4DB #4B5CDB #824BDB

triadic

#4B5CDB #DB4B5C #5CDB4B

tetradic

#4B5CDB #DB4BA4 #DBCA4B #4BDB82

square

#4B5CDB #DB4BA4 #DBCA4B #4BDB82

split-complementary

#4B5CDB #DB824B #A4DB4B

monochromatic

#1D2A8F #2739C2 #4B5CDB #7E8AE5 #B1B8EF

Accessibility & contrast

On white

5.45

#4B5CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#4B5CDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5CDB

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5CDB	#FFFFFF	#000000	##FFFFFF
##4B5CDB	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	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: #4b5cdb;
/* rgb */ color: rgb(75, 92, 219);
/* oklch */ color: oklch(53.6% 0.193 272.3);

Tailwind

colors: {
  custom: {
    50: '#8d8ae7',
    500: '#4b5cdb',
    950: '#000000',
  },
}

SCSS

$custom: #4b5cdb;
$custom-light: #8d8ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5cdb",
  "rgb": {
    "r": 75,
    "g": 92,
    "b": 219
  },
  "hsl": {
    "h": 232.917,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53568,
    "c": 0.19328,
    "h": 272.3
  },
  "luminance": 0.14265
}

Semantic roles & 50–950 ramp

primary

#4B5CDB

secondary

#DED7A4

accent

#D53EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B5CDB

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

Preview Lab → · Contrast checker → · Palette generator →