#4B59BF#4B59BF

#4B59BF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.159 H 273.5°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4B59BF
RGB	rgb(75, 89, 191)
HSL	hsl(233, 48%, 52%)
HSV	hsv(233, 61%, 75%)
CMYK	cmyk(60.7%, 53.4%, 0%, 25.1%)
CIE-LAB	lab(41.85, 26.02, -55.42)
CIE-LCH	lch(41.85, 61.23, 295.15°)
OKLab	oklab(50.87% 0.0097 -0.1589)
OKLCH	oklch(50.87% 0.159 273.5)
XYZ	xyz(15.8749, 12.4009, 50.8372)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B59BF #BFB14B

analogous

#4B93BF #4B59BF #774BBF

triadic

#4B59BF #BF4B59 #59BF4B

tetradic

#4B59BF #BF4B93 #BFB14B #4BBF77

square

#4B59BF #BF4B93 #BFB14B #4BBF77

split-complementary

#4B59BF #BF774B #93BF4B

monochromatic

#262E6A #364197 #4B59BF #7883CF #A5ACDF

Accessibility & contrast

On white

6.03

#4B59BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4B59BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B59BF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B59BF	#FFFFFF	#000000	##FFFFFF
##4B59BF	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1868C3

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4b59bf;
/* rgb */ color: rgb(75, 89, 191);
/* oklch */ color: oklch(50.9% 0.159 273.5);

Tailwind

colors: {
  custom: {
    50: '#8887d3',
    500: '#4b59bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b59bf;
$custom-light: #8887d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b59bf",
  "rgb": {
    "r": 75,
    "g": 89,
    "b": 191
  },
  "hsl": {
    "h": 232.759,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50871,
    "c": 0.15919,
    "h": 273.5
  },
  "luminance": 0.12402
}

Semantic roles & 50–950 ramp

primary

#4B59BF

secondary

#CCC69A

accent

#C751D7

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4B59BF

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

Preview Lab → · Contrast checker → · Palette generator →