#504BBB#504BBB

#504BBB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.3% C 0.171 H 279.9°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#504BBB
RGB	rgb(80, 75, 187)
HSL	hsl(243, 45%, 51%)
HSV	hsv(243, 60%, 73%)
CMYK	cmyk(57.2%, 59.9%, 0%, 26.7%)
CIE-LAB	lab(38.42, 34.38, -58.62)
CIE-LCH	lch(38.42, 67.96, 300.39°)
OKLab	oklab(48.32% 0.0293 -0.1683)
OKLCH	oklch(48.32% 0.171 279.9)
XYZ	xyz(14.7912, 10.3245, 48.2175)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#504BBB #B6BB4B

analogous

#4B7EBB #504BBB #884BBB

triadic

#504BBB #BB504B #4BBB50

tetradic

#504BBB #BB4B7E #B6BB4B #4BBB88

square

#504BBB #BB4B7E #B6BB4B #4BBB88

split-complementary

#504BBB #BB884B #7EBB4B

monochromatic

#292665 #3B3792 #504BBB #7B77CC #A6A4DD

Accessibility & contrast

On white

6.85

#504BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#504BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #504BBB

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##504BBB	#FFFFFF	#000000	##FFFFFF
##504BBB	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#13667C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #504bbb;
/* rgb */ color: rgb(80, 75, 187);
/* oklch */ color: oklch(48.3% 0.171 279.9);

Tailwind

colors: {
  custom: {
    50: '#8b7dd0',
    500: '#504bbb',
    950: '#000000',
  },
}

SCSS

$custom: #504bbb;
$custom-light: #8b7dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#504bbb",
  "rgb": {
    "r": 80,
    "g": 75,
    "b": 187
  },
  "hsl": {
    "h": 242.679,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48319,
    "c": 0.17083,
    "h": 279.9
  },
  "luminance": 0.10325
}

Semantic roles & 50–950 ramp

primary

#504BBB

secondary

#C7CA98

accent

#D553CF

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #504BBB

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

Preview Lab → · Contrast checker → · Palette generator →