#505B9C#505B9C

#505B9C is a mid, moderate blue. Relative luminance 0.116; OKLCH L 49.3% C 0.105 H 274.7°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#505B9C
RGB	rgb(80, 91, 156)
HSL	hsl(231, 32%, 46%)
HSV	hsv(231, 49%, 61%)
CMYK	cmyk(48.7%, 41.7%, 0%, 38.8%)
CIE-LAB	lab(40.55, 14.17, -36.83)
CIE-LCH	lch(40.55, 39.46, 291.05°)
OKLab	oklab(49.28% 0.0085 -0.1042)
OKLCH	oklch(49.28% 0.105 274.7)
XYZ	xyz(13.0482, 11.5872, 32.9950)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505B9C #9C9150

analogous

#50819C #505B9C #6B509C

triadic

#505B9C #9C505B #5B9C50

tetradic

#505B9C #9C5081 #9C9150 #509C6B

square

#505B9C #9C5081 #9C9150 #509C6B

split-complementary

#505B9C #9C6B50 #819C50

monochromatic

#272C4B #3B4374 #505B9C #727CB7 #9BA2CC

Accessibility & contrast

On white

6.33

#505B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#505B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505B9C

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505B9C	#FFFFFF	#000000	##FFFFFF
##505B9C	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42639F

Deuteranopia (green-blind)

#3B5D9B

Tritanopia (blue-blind)

#336974

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #505b9c;
/* rgb */ color: rgb(80, 91, 156);
/* oklch */ color: oklch(49.3% 0.105 274.7);

Tailwind

colors: {
  custom: {
    50: '#8689b9',
    500: '#505b9c',
    950: '#000000',
  },
}

SCSS

$custom: #505b9c;
$custom-light: #8689b9;
$custom-dark: #000000;

JSON

{
  "hex": "#505b9c",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 156
  },
  "hsl": {
    "h": 231.316,
    "s": 32.203,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49279,
    "c": 0.10453,
    "h": 274.7
  },
  "luminance": 0.11588
}

Semantic roles & 50–950 ramp

primary

#505B9C

secondary

#B8B28F

accent

#B95FC8

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0B0B11

muted

#7C7C80

Preview Lab

Preview with #505B9C

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

Preview Lab → · Contrast checker → · Palette generator →