#503DB8#503DB8

#503DB8 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.8% C 0.184 H 283.4°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#503DB8
RGB	rgb(80, 61, 184)
HSL	hsl(249, 50%, 48%)
HSV	hsv(249, 67%, 72%)
CMYK	cmyk(56.5%, 66.8%, 0%, 27.8%)
CIE-LAB	lab(35.01, 41.82, -62.41)
CIE-LCH	lch(35.01, 75.12, 303.83°)
OKLab	oklab(45.76% 0.0427 -0.1795)
OKLCH	oklch(45.76% 0.184 283.4)
XYZ	xyz(13.6261, 8.5028, 46.2613)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.47

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503DB8 #A5B83D

analogous

#3D68B8 #503DB8 #8D3DB8

triadic

#503DB8 #B8503D #3DB850

tetradic

#503DB8 #B83D68 #A5B83D #3DB88D

square

#503DB8 #B83D68 #A5B83D #3DB88D

split-complementary

#503DB8 #B88D3D #68B83D

monochromatic

#281F5C #3C2E8A #503DB8 #7666CC #9F94DB

Accessibility & contrast

On white

7.78

#503DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#503DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503DB8

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503DB8	#FFFFFF	#000000	##FFFFFF
##503DB8	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#1C5C75

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #503db8;
/* rgb */ color: rgb(80, 61, 184);
/* oklch */ color: oklch(45.8% 0.184 283.4);

Tailwind

colors: {
  custom: {
    50: '#8b74ce',
    500: '#503db8',
    950: '#000000',
  },
}

SCSS

$custom: #503db8;
$custom-light: #8b74ce;
$custom-dark: #000000;

JSON

{
  "hex": "#503db8",
  "rgb": {
    "r": 80,
    "g": 61,
    "b": 184
  },
  "hsl": {
    "h": 249.268,
    "s": 50.204,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45758,
    "c": 0.18449,
    "h": 283.4
  },
  "luminance": 0.08504
}

Semantic roles & 50–950 ramp

primary

#503DB8

secondary

#BDC78A

accent

#DA4EC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #503DB8

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

Preview Lab → · Contrast checker → · Palette generator →