#503FBB#503FBB

#503FBB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.3% C 0.186 H 282.6°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#503FBB
RGB	rgb(80, 63, 187)
HSL	hsl(248, 50%, 49%)
HSV	hsv(248, 66%, 73%)
CMYK	cmyk(57.2%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(35.69, 41.59, -63.07)
CIE-LCH	lch(35.69, 75.55, 303.40°)
OKLab	oklab(46.33% 0.0405 -0.1814)
OKLCH	oklch(46.33% 0.186 282.6)
XYZ	xyz(14.0526, 8.8474, 47.9713)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.23

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#503FBB #AABB3F

analogous

#3F6CBB #503FBB #8E3FBB

triadic

#503FBB #BB503F #3FBB50

tetradic

#503FBB #BB3F6C #AABB3F #3FBB8E

square

#503FBB #BB3F6C #AABB3F #3FBB8E

split-complementary

#503FBB #BB8E3F #6CBB3F

monochromatic

#29205F #3C308D #503FBB #786ACD #A198DC

Accessibility & contrast

On white

7.58

#503FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#503FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #503FBB

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##503FBB	#FFFFFF	#000000	##FFFFFF
##503FBB	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#165F77

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #503fbb;
/* rgb */ color: rgb(80, 63, 187);
/* oklch */ color: oklch(46.3% 0.186 282.6);

Tailwind

colors: {
  custom: {
    50: '#8c75d0',
    500: '#503fbb',
    950: '#000000',
  },
}

SCSS

$custom: #503fbb;
$custom-light: #8c75d0;
$custom-dark: #000000;

JSON

{
  "hex": "#503fbb",
  "rgb": {
    "r": 80,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 248.226,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.46327,
    "c": 0.18587,
    "h": 282.6
  },
  "luminance": 0.08848
}

Semantic roles & 50–950 ramp

primary

#503FBB

secondary

#C0C88E

accent

#D94FC6

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #503FBB

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

Preview Lab → · Contrast checker → · Palette generator →