#4F55BA#4F55BA

#4F55BA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.157 H 276.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4F55BA
RGB	rgb(79, 85, 186)
HSL	hsl(237, 44%, 52%)
HSV	hsv(237, 58%, 73%)
CMYK	cmyk(57.5%, 54.3%, 0%, 27.1%)
CIE-LAB	lab(40.74, 27.61, -54.28)
CIE-LCH	lch(40.74, 60.90, 296.97°)
OKLab	oklab(50% 0.0179 -0.1555)
OKLCH	oklch(50% 0.157 276.6)
XYZ	xyz(15.3330, 11.7033, 47.8958)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55BA #BAB44F

analogous

#4F8ABA #4F55BA #7F4FBA

triadic

#4F55BA #BA4F55 #55BA4F

tetradic

#4F55BA #BA4F8A #BAB44F #4FBA7F

square

#4F55BA #BA4F8A #BAB44F #4FBA7F

split-complementary

#4F55BA #BA7F4F #8ABA4F

monochromatic

#282C66 #393E92 #4F55BA #7B7FCB #A7AADC

Accessibility & contrast

On white

6.29

#4F55BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4F55BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55BA

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55BA	#FFFFFF	#000000	##FFFFFF
##4F55BA	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1465BD

Deuteranopia (green-blind)

#005CB8

Tritanopia (blue-blind)

#0B6C7F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4f55ba;
/* rgb */ color: rgb(79, 85, 186);
/* oklch */ color: oklch(50.0% 0.157 276.6);

Tailwind

colors: {
  custom: {
    50: '#8a84cf',
    500: '#4f55ba',
    950: '#000000',
  },
}

SCSS

$custom: #4f55ba;
$custom-light: #8a84cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55ba",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 186
  },
  "hsl": {
    "h": 236.636,
    "s": 43.673,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50002,
    "c": 0.1565,
    "h": 276.6
  },
  "luminance": 0.11704
}

Semantic roles & 50–950 ramp

primary

#4F55BA

secondary

#CAC79B

accent

#CC54D3

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4F55BA

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

Preview Lab → · Contrast checker → · Palette generator →