#5B658C#5B658C

#5B658C is a mid, moderate blue. Relative luminance 0.134; OKLCH L 51.4% C 0.063 H 272.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B658C
RGB	rgb(91, 101, 140)
HSL	hsl(228, 21%, 45%)
HSV	hsv(228, 35%, 55%)
CMYK	cmyk(35%, 27.9%, 0%, 45.1%)
CIE-LAB	lab(43.40, 6.14, -22.74)
CIE-LCH	lch(43.40, 23.55, 285.12°)
OKLab	oklab(51.42% 0.0032 -0.0631)
OKLCH	oklch(51.42% 0.063 272.9)
XYZ	xyz(13.7003, 13.4244, 26.6752)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B658C #8C825B

analogous

#5B7D8C #5B658C #695B8C

triadic

#5B658C #8C5B65 #658C5B

tetradic

#5B658C #8C5B7D #8C825B #5B8C69

square

#5B658C #8C5B7D #8C825B #5B8C69

split-complementary

#5B658C #8C695B #7D8C5B

monochromatic

#2B2F42 #434A67 #5B658C #7B84A9 #A0A7C1

Accessibility & contrast

On white

5.70

#5B658C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#5B658C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B658C

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B658C	#FFFFFF	#000000	##FFFFFF
##5B658C	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59698E

Deuteranopia (green-blind)

#55658B

Tritanopia (blue-blind)

#4D6D73

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5b658c;
/* rgb */ color: rgb(91, 101, 140);
/* oklch */ color: oklch(51.4% 0.063 272.9);

Tailwind

colors: {
  custom: {
    50: '#8b90ad',
    500: '#5b658c',
    950: '#000000',
  },
}

SCSS

$custom: #5b658c;
$custom-light: #8b90ad;
$custom-dark: #000000;

JSON

{
  "hex": "#5b658c",
  "rgb": {
    "r": 91,
    "g": 101,
    "b": 140
  },
  "hsl": {
    "h": 227.755,
    "s": 21.212,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51422,
    "c": 0.06319,
    "h": 272.9
  },
  "luminance": 0.13425
}

Semantic roles & 50–950 ramp

primary

#5B658C

secondary

#AFAA94

accent

#AD6ABE

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0C0C10

muted

#7D7D7F

Preview Lab

Preview with #5B658C

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

Preview Lab → · Contrast checker → · Palette generator →