#503DB1#503DB1

#503DB1 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.2% C 0.176 H 284.4°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#503DB1
RGB	rgb(80, 61, 177)
HSL	hsl(250, 49%, 47%)
HSV	hsv(250, 66%, 69%)
CMYK	cmyk(54.8%, 65.5%, 0%, 30.6%)
CIE-LAB	lab(34.43, 39.65, -59.21)
CIE-LCH	lch(34.43, 71.26, 303.81°)
OKLab	oklab(45.16% 0.0436 -0.1701)
OKLCH	oklch(45.16% 0.176 284.4)
XYZ	xyz(12.9104, 8.2165, 42.4921)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503DB1 #9EB13D

analogous

#3D64B1 #503DB1 #8A3DB1

triadic

#503DB1 #B1503D #3DB150

tetradic

#503DB1 #B13D64 #9EB13D #3DB18A

square

#503DB1 #B13D64 #9EB13D #3DB18A

split-complementary

#503DB1 #B18A3D #64B13D

monochromatic

#271E56 #3B2D83 #503DB1 #7362C9 #9C90D9

Accessibility & contrast

On white

7.94

#503DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#503DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503DB1

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503DB1	#FFFFFF	#000000	##FFFFFF
##503DB1	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#004DAF

Tritanopia (blue-blind)

#255A71

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #503db1;
/* rgb */ color: rgb(80, 61, 177);
/* oklch */ color: oklch(45.2% 0.176 284.4);

Tailwind

colors: {
  custom: {
    50: '#8a74c9',
    500: '#503db1',
    950: '#000000',
  },
}

SCSS

$custom: #503db1;
$custom-light: #8a74c9;
$custom-dark: #000000;

JSON

{
  "hex": "#503db1",
  "rgb": {
    "r": 80,
    "g": 61,
    "b": 177
  },
  "hsl": {
    "h": 249.828,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4516,
    "c": 0.17557,
    "h": 284.4
  },
  "luminance": 0.08217
}

Semantic roles & 50–950 ramp

primary

#503DB1

secondary

#BAC486

accent

#D850C2

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #503DB1

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

Preview Lab → · Contrast checker → · Palette generator →