#4F58BB#4F58BB

#4F58BB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.154 H 275.5°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4F58BB
RGB	rgb(79, 88, 187)
HSL	hsl(235, 44%, 52%)
HSV	hsv(235, 58%, 73%)
CMYK	cmyk(57.8%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(41.58, 26.05, -53.51)
CIE-LCH	lch(41.58, 59.52, 295.96°)
OKLab	oklab(50.65% 0.0149 -0.1532)
OKLCH	oklch(50.65% 0.154 275.5)
XYZ	xyz(15.6809, 12.2284, 48.5381)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F58BB #BBB24F

analogous

#4F8EBB #4F58BB #7C4FBB

triadic

#4F58BB #BB4F58 #58BB4F

tetradic

#4F58BB #BB4F8E #BBB24F #4FBB7C

square

#4F58BB #BB4F8E #BBB24F #4FBB7C

split-complementary

#4F58BB #BB7C4F #8EBB4F

monochromatic

#282D68 #394194 #4F58BB #7B82CC #A7ACDD

Accessibility & contrast

On white

6.09

#4F58BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4F58BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F58BB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F58BB	#FFFFFF	#000000	##FFFFFF
##4F58BB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BE

Deuteranopia (green-blind)

#005EB9

Tritanopia (blue-blind)

#066F81

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4f58bb;
/* rgb */ color: rgb(79, 88, 187);
/* oklch */ color: oklch(50.6% 0.154 275.5);

Tailwind

colors: {
  custom: {
    50: '#8a87d0',
    500: '#4f58bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f58bb;
$custom-light: #8a87d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f58bb",
  "rgb": {
    "r": 79,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 235,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.5065,
    "c": 0.15391,
    "h": 275.5
  },
  "luminance": 0.1223
}

Semantic roles & 50–950 ramp

primary

#4F58BB

secondary

#CAC79B

accent

#C954D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4F58BB

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

Preview Lab → · Contrast checker → · Palette generator →