#503DB9#503DB9

#503DB9 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.8% C 0.186 H 283.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#503DB9
RGB	rgb(80, 61, 185)
HSL	hsl(249, 50%, 48%)
HSV	hsv(249, 67%, 73%)
CMYK	cmyk(56.8%, 67%, 0%, 27.5%)
CIE-LAB	lab(35.09, 42.13, -62.86)
CIE-LCH	lch(35.09, 75.67, 303.83°)
OKLab	oklab(45.85% 0.0426 -0.1808)
OKLCH	oklch(45.85% 0.186 283.3)
XYZ	xyz(13.7313, 8.5449, 46.8153)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503DB9 #A6B93D

analogous

#3D68B9 #503DB9 #8E3DB9

triadic

#503DB9 #B9503D #3DB950

tetradic

#503DB9 #B93D68 #A6B93D #3DB98E

square

#503DB9 #B93D68 #A6B93D #3DB98E

split-complementary

#503DB9 #B98E3D #68B93D

monochromatic

#281F5D #3C2E8B #503DB9 #7666CD #9F95DC

Accessibility & contrast

On white

7.75

#503DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#503DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503DB9

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503DB9	#FFFFFF	#000000	##FFFFFF
##503DB9	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#1A5D76

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #503db9;
/* rgb */ color: rgb(80, 61, 185);
/* oklch */ color: oklch(45.8% 0.186 283.3);

Tailwind

colors: {
  custom: {
    50: '#8c74cf',
    500: '#503db9',
    950: '#000000',
  },
}

SCSS

$custom: #503db9;
$custom-light: #8c74cf;
$custom-dark: #000000;

JSON

{
  "hex": "#503db9",
  "rgb": {
    "r": 80,
    "g": 61,
    "b": 185
  },
  "hsl": {
    "h": 249.194,
    "s": 50.407,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45845,
    "c": 0.18575,
    "h": 283.3
  },
  "luminance": 0.08546
}

Semantic roles & 50–950 ramp

primary

#503DB9

secondary

#BEC78B

accent

#DA4EC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #503DB9

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

Preview Lab → · Contrast checker → · Palette generator →