#504B99#504B99

#504B99 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.123 H 283.3°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#504B99
RGB	rgb(80, 75, 153)
HSL	hsl(244, 34%, 45%)
HSV	hsv(244, 51%, 60%)
CMYK	cmyk(47.7%, 51%, 0%, 40%)
CIE-LAB	lab(36.06, 23.44, -42.20)
CIE-LCH	lch(36.06, 48.27, 299.05°)
OKLab	oklab(45.81% 0.0283 -0.12)
OKLCH	oklch(45.81% 0.123 283.3)
XYZ	xyz(11.5724, 9.0370, 31.2654)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#504B99 #94994B

analogous

#4B6D99 #504B99 #774B99

triadic

#504B99 #99504B #4B9950

tetradic

#504B99 #994B6D #94994B #4B9977

square

#504B99 #994B6D #94994B #4B9977

split-complementary

#504B99 #99774B #6D994B

monochromatic

#252347 #3B3770 #504B99 #706BB6 #9794CB

Accessibility & contrast

On white

7.48

#504B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#504B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #504B99

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##504B99	#FFFFFF	#000000	##FFFFFF
##504B99	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28579C

Deuteranopia (green-blind)

#245297

Tritanopia (blue-blind)

#375C6B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #504b99;
/* rgb */ color: rgb(80, 75, 153);
/* oklch */ color: oklch(45.8% 0.123 283.3);

Tailwind

colors: {
  custom: {
    50: '#867db7',
    500: '#504b99',
    950: '#000000',
  },
}

SCSS

$custom: #504b99;
$custom-light: #867db7;
$custom-dark: #000000;

JSON

{
  "hex": "#504b99",
  "rgb": {
    "r": 80,
    "g": 75,
    "b": 153
  },
  "hsl": {
    "h": 243.846,
    "s": 34.211,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4581,
    "c": 0.1233,
    "h": 283.3
  },
  "luminance": 0.09038
}

Semantic roles & 50–950 ramp

primary

#504B99

secondary

#B4B789

accent

#CA5EC3

background

#F8F7FB

surface

#F0EEF6

border

#CBC9D0

text

#0B0911

muted

#7C7B80

Preview Lab

Preview with #504B99

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

Preview Lab → · Contrast checker → · Palette generator →