#5B668D#5B668D

#5B668D is a mid, moderate blue. Relative luminance 0.137; OKLCH L 51.7% C 0.063 H 271.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#5B668D
RGB	rgb(91, 102, 141)
HSL	hsl(227, 22%, 45%)
HSV	hsv(227, 35%, 55%)
CMYK	cmyk(35.5%, 27.7%, 0%, 44.7%)
CIE-LAB	lab(43.73, 5.81, -22.83)
CIE-LCH	lch(43.73, 23.55, 284.29°)
OKLab	oklab(51.69% 0.0021 -0.0634)
OKLCH	oklch(51.69% 0.063 271.9)
XYZ	xyz(13.8721, 13.6494, 27.0978)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B668D #8D825B

analogous

#5B7F8D #5B668D #695B8D

triadic

#5B668D #8D5B66 #668D5B

tetradic

#5B668D #8D5B7F #8D825B #5B8D69

square

#5B668D #8D5B7F #8D825B #5B8D69

split-complementary

#5B668D #8D695B #7F8D5B

monochromatic

#2B3043 #434B68 #5B668D #7B86AA #A0A8C2

Accessibility & contrast

On white

5.63

#5B668D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5B668D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B668D

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B668D	#FFFFFF	#000000	##FFFFFF
##5B668D	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6A8F

Deuteranopia (green-blind)

#56658C

Tritanopia (blue-blind)

#4D6E74

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5b668d;
/* rgb */ color: rgb(91, 102, 141);
/* oklch */ color: oklch(51.7% 0.063 271.9);

Tailwind

colors: {
  custom: {
    50: '#8b91ae',
    500: '#5b668d',
    950: '#000000',
  },
}

SCSS

$custom: #5b668d;
$custom-light: #8b91ae;
$custom-dark: #000000;

JSON

{
  "hex": "#5b668d",
  "rgb": {
    "r": 91,
    "g": 102,
    "b": 141
  },
  "hsl": {
    "h": 226.8,
    "s": 21.552,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51693,
    "c": 0.06341,
    "h": 271.9
  },
  "luminance": 0.1365
}

Semantic roles & 50–950 ramp

primary

#5B668D

secondary

#B0AA94

accent

#AC6ABE

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0C0C10

muted

#7D7D7F

Preview Lab

Preview with #5B668D

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

Preview Lab → · Contrast checker → · Palette generator →