#4F59BB#4F59BB

#4F59BB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.153 H 275.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4F59BB
RGB	rgb(79, 89, 187)
HSL	hsl(234, 44%, 52%)
HSV	hsv(234, 58%, 73%)
CMYK	cmyk(57.8%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(41.84, 25.42, -53.09)
CIE-LCH	lch(41.84, 58.87, 295.58°)
OKLab	oklab(50.84% 0.0138 -0.152)
OKLCH	oklch(50.84% 0.153 275.2)
XYZ	xyz(15.7636, 12.3937, 48.5656)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59BB #BBB14F

analogous

#4F8FBB #4F59BB #7B4FBB

triadic

#4F59BB #BB4F59 #59BB4F

tetradic

#4F59BB #BB4F8F #BBB14F #4FBB7B

square

#4F59BB #BB4F8F #BBB14F #4FBB7B

split-complementary

#4F59BB #BB7B4F #8FBB4F

monochromatic

#282E68 #394194 #4F59BB #7B83CC #A7ACDD

Accessibility & contrast

On white

6.04

#4F59BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4F59BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59BB

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59BB	#FFFFFF	#000000	##FFFFFF
##4F59BB	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2167BE

Deuteranopia (green-blind)

#055EB9

Tritanopia (blue-blind)

#056F81

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f59bb;
/* rgb */ color: rgb(79, 89, 187);
/* oklch */ color: oklch(50.8% 0.153 275.2);

Tailwind

colors: {
  custom: {
    50: '#8a87d0',
    500: '#4f59bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f59bb;
$custom-light: #8a87d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59bb",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 234.444,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50844,
    "c": 0.15259,
    "h": 275.2
  },
  "luminance": 0.12395
}

Semantic roles & 50–950 ramp

primary

#4F59BB

secondary

#CAC69B

accent

#C854D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4F59BB

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

Preview Lab → · Contrast checker → · Palette generator →