#505CCB#505CCB

#505CCB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.6% C 0.171 H 274.3°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#505CCB
RGB	rgb(80, 92, 203)
HSL	hsl(234, 54%, 55%)
HSV	hsv(234, 61%, 80%)
CMYK	cmyk(60.6%, 54.7%, 0%, 20.4%)
CIE-LAB	lab(43.76, 29.09, -59.27)
CIE-LCH	lch(43.76, 66.02, 296.14°)
OKLab	oklab(52.65% 0.0128 -0.1701)
OKLCH	oklch(52.65% 0.171 274.3)
XYZ	xyz(17.9114, 13.6701, 58.1831)
Luminance	0.1367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505CCB #CBBF50

analogous

#509ACB #505CCB #8150CB

triadic

#505CCB #CB505C #5CCB50

tetradic

#505CCB #CB509A #CBBF50 #50CB81

square

#505CCB #CB509A #CBBF50 #50CB81

split-complementary

#505CCB #CB8150 #9ACB50

monochromatic

#252D7C #333FAB #505CCB #7F88D9 #AEB4E7

Accessibility & contrast

On white

5.62

#505CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#505CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505CCB

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505CCB	#FFFFFF	#000000	##FFFFFF
##505CCB	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#086DCF

Deuteranopia (green-blind)

#0062C9

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #505ccb;
/* rgb */ color: rgb(80, 92, 203);
/* oklch */ color: oklch(52.6% 0.171 274.3);

Tailwind

colors: {
  custom: {
    50: '#8c8adc',
    500: '#505ccb',
    950: '#000000',
  },
}

SCSS

$custom: #505ccb;
$custom-light: #8c8adc;
$custom-dark: #000000;

JSON

{
  "hex": "#505ccb",
  "rgb": {
    "r": 80,
    "g": 92,
    "b": 203
  },
  "hsl": {
    "h": 234.146,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52649,
    "c": 0.17054,
    "h": 274.3
  },
  "luminance": 0.13672
}

Semantic roles & 50–950 ramp

primary

#505CCB

secondary

#D5D0A2

accent

#CF4ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505CCB

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

Preview Lab → · Contrast checker → · Palette generator →