#4B59DB#4B59DB

#4B59DB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.0% C 0.197 H 273.0°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4B59DB
RGB	rgb(75, 89, 219)
HSL	hsl(234, 67%, 58%)
HSV	hsv(234, 66%, 86%)
CMYK	cmyk(65.8%, 59.4%, 0%, 14.1%)
CIE-LAB	lab(43.88, 35.57, -68.26)
CIE-LCH	lch(43.88, 76.97, 297.52°)
OKLab	oklab(53.03% 0.0103 -0.1966)
OKLCH	oklch(53.03% 0.197 273)
XYZ	xyz(19.2559, 13.7534, 68.6440)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B59DB #DBCD4B

analogous

#4BA1DB #4B59DB #854BDB

triadic

#4B59DB #DB4B59 #59DB4B

tetradic

#4B59DB #DB4BA1 #DBCD4B #4BDB85

square

#4B59DB #DB4BA1 #DBCD4B #4BDB85

split-complementary

#4B59DB #DB854B #A1DB4B

monochromatic

#1D288F #2736C2 #4B59DB #7E88E5 #B1B7EF

Accessibility & contrast

On white

5.60

#4B59DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#4B59DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B59DB

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B59DB	#FFFFFF	#000000	##FFFFFF
##4B59DB	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDF

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#007991

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4b59db;
/* rgb */ color: rgb(75, 89, 219);
/* oklch */ color: oklch(53.0% 0.197 273.0);

Tailwind

colors: {
  custom: {
    50: '#8d88e7',
    500: '#4b59db',
    950: '#000000',
  },
}

SCSS

$custom: #4b59db;
$custom-light: #8d88e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b59db",
  "rgb": {
    "r": 75,
    "g": 89,
    "b": 219
  },
  "hsl": {
    "h": 234.167,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53027,
    "c": 0.19691,
    "h": 273
  },
  "luminance": 0.13755
}

Semantic roles & 50–950 ramp

primary

#4B59DB

secondary

#DED8A4

accent

#D93EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B59DB

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

Preview Lab → · Contrast checker → · Palette generator →