#503DB7#503DB7

#503DB7 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.7% C 0.183 H 283.5°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#503DB7
RGB	rgb(80, 61, 183)
HSL	hsl(249, 50%, 48%)
HSV	hsv(249, 67%, 72%)
CMYK	cmyk(56.3%, 66.7%, 0%, 28.2%)
CIE-LAB	lab(34.93, 41.51, -61.95)
CIE-LCH	lch(34.93, 74.58, 303.82°)
OKLab	oklab(45.67% 0.0429 -0.1781)
OKLCH	oklch(45.67% 0.183 283.5)
XYZ	xyz(13.5216, 8.4610, 45.7112)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.44

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503DB7 #A4B73D

analogous

#3D67B7 #503DB7 #8D3DB7

triadic

#503DB7 #B7503D #3DB750

tetradic

#503DB7 #B73D67 #A4B73D #3DB78D

square

#503DB7 #B73D67 #A4B73D #3DB78D

split-complementary

#503DB7 #B78D3D #67B73D

monochromatic

#281E5B #3C2E89 #503DB7 #7565CC #9E93DB

Accessibility & contrast

On white

7.80

#503DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#503DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503DB7

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503DB7	#FFFFFF	#000000	##FFFFFF
##503DB7	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#004EB5

Tritanopia (blue-blind)

#1D5C75

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #503db7;
/* rgb */ color: rgb(80, 61, 183);
/* oklch */ color: oklch(45.7% 0.183 283.5);

Tailwind

colors: {
  custom: {
    50: '#8b74ce',
    500: '#503db7',
    950: '#000000',
  },
}

SCSS

$custom: #503db7;
$custom-light: #8b74ce;
$custom-dark: #000000;

JSON

{
  "hex": "#503db7",
  "rgb": {
    "r": 80,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 249.344,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45672,
    "c": 0.18322,
    "h": 283.5
  },
  "luminance": 0.08462
}

Semantic roles & 50–950 ramp

primary

#503DB7

secondary

#BDC689

accent

#DA4EC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #503DB7

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

Preview Lab → · Contrast checker → · Palette generator →