#505CBC#505CBC

#505CBC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.150 H 274.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#505CBC
RGB	rgb(80, 92, 188)
HSL	hsl(233, 45%, 53%)
HSV	hsv(233, 57%, 74%)
CMYK	cmyk(57.4%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(42.75, 24.06, -52.21)
CIE-LCH	lch(42.75, 57.48, 294.74°)
OKLab	oklab(51.57% 0.0119 -0.1493)
OKLCH	oklch(51.57% 0.15 274.5)
XYZ	xyz(16.2096, 12.9894, 49.2202)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505CBC #BCB050

analogous

#5092BC #505CBC #7A50BC

triadic

#505CBC #BC505C #5CBC50

tetradic

#505CBC #BC5092 #BCB050 #50BC7A

square

#505CBC #BC5092 #BCB050 #50BC7A

split-complementary

#505CBC #BC7A50 #92BC50

monochromatic

#283069 #394496 #505CBC #7C85CD #A9AEDE

Accessibility & contrast

On white

5.84

#505CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#505CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505CBC

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505CBC	#FFFFFF	#000000	##FFFFFF
##505CBC	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296ABF

Deuteranopia (green-blind)

#1461BA

Tritanopia (blue-blind)

#097283

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #505cbc;
/* rgb */ color: rgb(80, 92, 188);
/* oklch */ color: oklch(51.6% 0.150 274.5);

Tailwind

colors: {
  custom: {
    50: '#8a8ad1',
    500: '#505cbc',
    950: '#000000',
  },
}

SCSS

$custom: #505cbc;
$custom-light: #8a8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#505cbc",
  "rgb": {
    "r": 80,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 233.333,
    "s": 44.628,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51569,
    "c": 0.14975,
    "h": 274.5
  },
  "luminance": 0.12991
}

Semantic roles & 50–950 ramp

primary

#505CBC

secondary

#CBC69C

accent

#C653D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #505CBC

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

Preview Lab → · Contrast checker → · Palette generator →