#505ACB#505ACB

#505ACB is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.3% C 0.173 H 274.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#505ACB
RGB	rgb(80, 90, 203)
HSL	hsl(235, 54%, 55%)
HSV	hsv(235, 61%, 80%)
CMYK	cmyk(60.6%, 55.7%, 0%, 20.4%)
CIE-LAB	lab(43.25, 30.34, -60.08)
CIE-LCH	lch(43.25, 67.31, 296.79°)
OKLab	oklab(52.27% 0.0147 -0.1725)
OKLCH	oklch(52.27% 0.173 274.9)
XYZ	xyz(17.7404, 13.3282, 58.1261)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505ACB #CBC150

analogous

#5097CB #505ACB #8350CB

triadic

#505ACB #CB505A #5ACB50

tetradic

#505ACB #CB5097 #CBC150 #50CB83

square

#505ACB #CB5097 #CBC150 #50CB83

split-complementary

#505ACB #CB8350 #97CB50

monochromatic

#252C7C #333DAB #505ACB #7F86D9 #AEB3E7

Accessibility & contrast

On white

5.73

#505ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#505ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505ACB

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505ACB	#FFFFFF	#000000	##FFFFFF
##505ACB	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#0061C9

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #505acb;
/* rgb */ color: rgb(80, 90, 203);
/* oklch */ color: oklch(52.3% 0.173 274.9);

Tailwind

colors: {
  custom: {
    50: '#8d88dc',
    500: '#505acb',
    950: '#000000',
  },
}

SCSS

$custom: #505acb;
$custom-light: #8d88dc;
$custom-dark: #000000;

JSON

{
  "hex": "#505acb",
  "rgb": {
    "r": 80,
    "g": 90,
    "b": 203
  },
  "hsl": {
    "h": 235.122,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52273,
    "c": 0.17311,
    "h": 274.9
  },
  "luminance": 0.1333
}

Semantic roles & 50–950 ramp

primary

#505ACB

secondary

#D5D1A2

accent

#D24ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505ACB

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

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