#503DB3#503DB3

#503DB3 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.3% C 0.178 H 284.1°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#503DB3
RGB	rgb(80, 61, 179)
HSL	hsl(250, 49%, 47%)
HSV	hsv(250, 66%, 70%)
CMYK	cmyk(55.3%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(34.59, 40.27, -60.13)
CIE-LCH	lch(34.59, 72.37, 303.81°)
OKLab	oklab(45.33% 0.0434 -0.1728)
OKLCH	oklch(45.33% 0.178 284.1)
XYZ	xyz(13.1112, 8.2969, 43.5497)
Luminance	0.0830 (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

#503DB3 #A0B33D

analogous

#3D65B3 #503DB3 #8B3DB3

triadic

#503DB3 #B3503D #3DB350

tetradic

#503DB3 #B33D65 #A0B33D #3DB38B

square

#503DB3 #B33D65 #A0B33D #3DB38B

split-complementary

#503DB3 #B38B3D #65B33D

monochromatic

#271E58 #3C2D85 #503DB3 #7463CA #9D91D9

Accessibility & contrast

On white

7.90

#503DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#503DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503DB3

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503DB3	#FFFFFF	#000000	##FFFFFF
##503DB3	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#235B72

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #503db3;
/* rgb */ color: rgb(80, 61, 179);
/* oklch */ color: oklch(45.3% 0.178 284.1);

Tailwind

colors: {
  custom: {
    50: '#8b74cb',
    500: '#503db3',
    950: '#000000',
  },
}

SCSS

$custom: #503db3;
$custom-light: #8b74cb;
$custom-dark: #000000;

JSON

{
  "hex": "#503db3",
  "rgb": {
    "r": 80,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 249.661,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45329,
    "c": 0.17814,
    "h": 284.1
  },
  "luminance": 0.08298
}

Semantic roles & 50–950 ramp

primary

#503DB3

secondary

#BBC587

accent

#D94FC3

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #503DB3

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

Preview Lab → · Contrast checker → · Palette generator →