#5B437B#5B437B

#5B437B is a dark, moderate violet. Relative luminance 0.077; OKLCH L 43.4% C 0.093 H 302.5°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#5B437B
RGB	rgb(91, 67, 123)
HSL	hsl(266, 29%, 37%)
HSV	hsv(266, 46%, 48%)
CMYK	cmyk(26%, 45.5%, 0%, 51.8%)
CIE-LAB	lab(33.28, 22.80, -28.14)
CIE-LCH	lch(33.28, 36.21, 309.01°)
OKLab	oklab(43.41% 0.05 -0.0786)
OKLCH	oklch(43.41% 0.093 302.5)
XYZ	xyz(9.8959, 7.6685, 19.6939)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B437B #637B43

analogous

#43477B #5B437B #77437B

triadic

#5B437B #7B5B43 #437B5B

tetradic

#5B437B #7B4347 #637B43 #437B77

square

#5B437B #7B4347 #637B43 #437B77

split-complementary

#5B437B #7B7743 #477B43

monochromatic

#20182C #3E2D53 #5B437B #7859A3 #987FB9

Accessibility & contrast

On white

8.29

#5B437B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#5B437B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B437B

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B437B	#FFFFFF	#000000	##FFFFFF
##5B437B	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344E7D

Deuteranopia (green-blind)

#394E7A

Tritanopia (blue-blind)

#554D59

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #5b437b;
/* rgb */ color: rgb(91, 67, 123);
/* oklch */ color: oklch(43.4% 0.093 302.5);

Tailwind

colors: {
  custom: {
    50: '#8b77a1',
    500: '#5b437b',
    950: '#000000',
  },
}

SCSS

$custom: #5b437b;
$custom-light: #8b77a1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b437b",
  "rgb": {
    "r": 91,
    "g": 67,
    "b": 123
  },
  "hsl": {
    "h": 265.714,
    "s": 29.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43408,
    "c": 0.09317,
    "h": 302.5
  },
  "luminance": 0.07669
}

Semantic roles & 50–950 ramp

primary

#5B437B

secondary

#90A475

accent

#C6629B

background

#F8F7F9

surface

#F0EDF2

border

#CBC8CC

text

#0C090F

muted

#7D7B7E

Preview Lab

Preview with #5B437B

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

Preview Lab → · Contrast checker → · Palette generator →