#8591BB#8591BB

#8591BB is a light, moderate blue. Relative luminance 0.288; OKLCH L 66.2% C 0.064 H 272.2°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#8591BB
RGB	rgb(133, 145, 187)
HSL	hsl(227, 28%, 63%)
HSV	hsv(227, 29%, 73%)
CMYK	cmyk(28.9%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(60.63, 5.41, -23.26)
CIE-LCH	lch(60.63, 23.88, 283.10°)
OKLab	oklab(66.25% 0.0024 -0.0641)
OKLCH	oklch(66.25% 0.064 272.2)
XYZ	xyz(28.7654, 28.8243, 51.0521)
Luminance	0.2883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8591BB #BBAF85

analogous

#85ACBB #8591BB #9485BB

triadic

#8591BB #BB8591 #91BB85

tetradic

#8591BB #BB85AC #BBAF85 #85BB94

square

#8591BB #BB85AC #BBAF85 #85BB94

split-complementary

#8591BB #BB9485 #ACBB85

monochromatic

#47537F #5E6EA5 #8591BB #ACB4D1 #D4D8E7

Accessibility & contrast

On white

3.10

#8591BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#8591BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #8591BB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8591BB	#FFFFFF	#000000	##000000
##8591BB	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495BD

Deuteranopia (green-blind)

#8090BA

Tritanopia (blue-blind)

#77999F

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #8591bb;
/* rgb */ color: rgb(133, 145, 187);
/* oklch */ color: oklch(66.2% 0.064 272.2);

Tailwind

colors: {
  custom: {
    50: '#a9b1cf',
    500: '#8591bb',
    950: '#000000',
  },
}

SCSS

$custom: #8591bb;
$custom-light: #a9b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#8591bb",
  "rgb": {
    "r": 133,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 226.667,
    "s": 28.421,
    "l": 62.745
  },
  "oklch": {
    "l": 0.66247,
    "c": 0.06414,
    "h": 272.2
  },
  "luminance": 0.28825
}

Semantic roles & 50–950 ramp

primary

#8591BB

secondary

#D8D3C4

accent

#903EA7

background

#FAFAFC

surface

#F4F4F9

border

#CECED2

text

#101013

muted

#7F7F82

Preview Lab

Preview with #8591BB

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

Preview Lab → · Contrast checker → · Palette generator →