#503FB3#503FB3

#503FB3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.176 H 283.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#503FB3
RGB	rgb(80, 63, 179)
HSL	hsl(249, 48%, 47%)
HSV	hsv(249, 65%, 70%)
CMYK	cmyk(55.3%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(35.03, 39.09, -59.41)
CIE-LCH	lch(35.03, 71.12, 303.35°)
OKLab	oklab(45.65% 0.0415 -0.1707)
OKLCH	oklch(45.65% 0.176 283.7)
XYZ	xyz(13.2200, 8.5144, 43.5859)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503FB3 #A2B33F

analogous

#3F68B3 #503FB3 #8A3FB3

triadic

#503FB3 #B3503F #3FB350

tetradic

#503FB3 #B33F68 #A2B33F #3FB38A

square

#503FB3 #B33F68 #A2B33F #3FB38A

split-complementary

#503FB3 #B38A3F #68B33F

monochromatic

#281F58 #3C2F86 #503FB3 #7566C9 #9E93D9

Accessibility & contrast

On white

7.77

#503FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#503FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503FB3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503FB3	#FFFFFF	#000000	##FFFFFF
##503FB3	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#225C73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #503fb3;
/* rgb */ color: rgb(80, 63, 179);
/* oklch */ color: oklch(45.6% 0.176 283.7);

Tailwind

colors: {
  custom: {
    50: '#8a75cb',
    500: '#503fb3',
    950: '#000000',
  },
}

SCSS

$custom: #503fb3;
$custom-light: #8a75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#503fb3",
  "rgb": {
    "r": 80,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 248.793,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45647,
    "c": 0.17564,
    "h": 283.7
  },
  "luminance": 0.08515
}

Semantic roles & 50–950 ramp

primary

#503FB3

secondary

#BCC489

accent

#D850C4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #503FB3

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

Preview Lab → · Contrast checker → · Palette generator →