#503DB4#503DB4

#503DB4 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.4% C 0.179 H 283.9°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#503DB4
RGB	rgb(80, 61, 180)
HSL	hsl(250, 49%, 47%)
HSV	hsv(250, 66%, 71%)
CMYK	cmyk(55.6%, 66.1%, 0%, 29.4%)
CIE-LAB	lab(34.68, 40.58, -60.59)
CIE-LCH	lch(34.68, 72.92, 303.81°)
OKLab	oklab(45.41% 0.0432 -0.1741)
OKLCH	oklch(45.41% 0.179 283.9)
XYZ	xyz(13.2127, 8.3375, 44.0842)
Luminance	0.0834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.42

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503DB4 #A1B43D

analogous

#3D65B4 #503DB4 #8C3DB4

triadic

#503DB4 #B4503D #3DB450

tetradic

#503DB4 #B43D65 #A1B43D #3DB48C

square

#503DB4 #B43D65 #A1B43D #3DB48C

split-complementary

#503DB4 #B48C3D #65B43D

monochromatic

#271E59 #3C2E86 #503DB4 #7464CA #9D92DA

Accessibility & contrast

On white

7.87

#503DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#503DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503DB4

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503DB4	#FFFFFF	#000000	##FFFFFF
##503DB4	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#215B73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #503db4;
/* rgb */ color: rgb(80, 61, 180);
/* oklch */ color: oklch(45.4% 0.179 283.9);

Tailwind

colors: {
  custom: {
    50: '#8b74cb',
    500: '#503db4',
    950: '#000000',
  },
}

SCSS

$custom: #503db4;
$custom-light: #8b74cb;
$custom-dark: #000000;

JSON

{
  "hex": "#503db4",
  "rgb": {
    "r": 80,
    "g": 61,
    "b": 180
  },
  "hsl": {
    "h": 249.58,
    "s": 49.378,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45414,
    "c": 0.17941,
    "h": 283.9
  },
  "luminance": 0.08338
}

Semantic roles & 50–950 ramp

primary

#503DB4

secondary

#BBC588

accent

#D94FC3

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #503DB4

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

Preview Lab → · Contrast checker → · Palette generator →