#55639A#55639A

#55639A is a mid, moderate blue. Relative luminance 0.132; OKLCH L 51.3% C 0.089 H 272.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#55639A
RGB	rgb(85, 99, 154)
HSL	hsl(228, 29%, 47%)
HSV	hsv(228, 45%, 60%)
CMYK	cmyk(44.8%, 35.7%, 0%, 39.6%)
CIE-LAB	lab(43.04, 9.80, -31.68)
CIE-LCH	lch(43.04, 33.17, 287.19°)
OKLab	oklab(51.25% 0.0032 -0.089)
OKLCH	oklch(51.25% 0.089 272.1)
XYZ	xyz(14.0391, 13.1873, 32.3712)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55639A #9A8C55

analogous

#55869A #55639A #6A559A

triadic

#55639A #9A5563 #639A55

tetradic

#55639A #9A5586 #9A8C55 #559A6A

square

#55639A #9A5586 #9A8C55 #559A6A

split-complementary

#55639A #9A6A55 #869A55

monochromatic

#29304B #3F4A73 #55639A #7884B4 #9FA8CA

Accessibility & contrast

On white

5.77

#55639A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#55639A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #55639A

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55639A	#FFFFFF	#000000	##FFFFFF
##55639A	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F699C

Deuteranopia (green-blind)

#496399

Tritanopia (blue-blind)

#3D6E77

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #55639a;
/* rgb */ color: rgb(85, 99, 154);
/* oklch */ color: oklch(51.3% 0.089 272.1);

Tailwind

colors: {
  custom: {
    50: '#888fb8',
    500: '#55639a',
    950: '#000000',
  },
}

SCSS

$custom: #55639a;
$custom-light: #888fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#55639a",
  "rgb": {
    "r": 85,
    "g": 99,
    "b": 154
  },
  "hsl": {
    "h": 227.826,
    "s": 28.87,
    "l": 46.863
  },
  "oklch": {
    "l": 0.51253,
    "c": 0.08909,
    "h": 272.1
  },
  "luminance": 0.13188
}

Semantic roles & 50–950 ramp

primary

#55639A

secondary

#B8B093

accent

#B163C5

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0C0C11

muted

#7D7D80

Preview Lab

Preview with #55639A

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

Preview Lab → · Contrast checker → · Palette generator →