#503CB5#503CB5

#503CB5 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.3% C 0.182 H 284.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#503CB5
RGB	rgb(80, 60, 181)
HSL	hsl(250, 50%, 47%)
HSV	hsv(250, 67%, 71%)
CMYK	cmyk(55.8%, 66.9%, 0%, 29%)
CIE-LAB	lab(34.54, 41.47, -61.39)
CIE-LCH	lch(34.54, 74.09, 304.04°)
OKLab	oklab(45.35% 0.044 -0.1765)
OKLCH	oklch(45.35% 0.182 284)
XYZ	xyz(13.2621, 8.2726, 44.6050)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503CB5 #A1B53C

analogous

#3C65B5 #503CB5 #8C3CB5

triadic

#503CB5 #B5503C #3CB550

tetradic

#503CB5 #B53C65 #A1B53C #3CB58C

square

#503CB5 #B53C65 #A1B53C #3CB58C

split-complementary

#503CB5 #B58C3C #65B53C

monochromatic

#271E59 #3C2D87 #503CB5 #7463CB #9D91DB

Accessibility & contrast

On white

7.91

#503CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#503CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503CB5

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503CB5	#FFFFFF	#000000	##FFFFFF
##503CB5	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#205B73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #503cb5;
/* rgb */ color: rgb(80, 60, 181);
/* oklch */ color: oklch(45.3% 0.182 284.0);

Tailwind

colors: {
  custom: {
    50: '#8b73cc',
    500: '#503cb5',
    950: '#000000',
  },
}

SCSS

$custom: #503cb5;
$custom-light: #8b73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#503cb5",
  "rgb": {
    "r": 80,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 249.917,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45345,
    "c": 0.18191,
    "h": 284
  },
  "luminance": 0.08273
}

Semantic roles & 50–950 ramp

primary

#503CB5

secondary

#BBC687

accent

#DA4EC3

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #503CB5

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

Preview Lab → · Contrast checker → · Palette generator →