#555A8A#555A8A

#555A8A is a mid, moderate blue. Relative luminance 0.111; OKLCH L 48.4% C 0.077 H 278.5°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#555A8A
RGB	rgb(85, 90, 138)
HSL	hsl(234, 24%, 44%)
HSV	hsv(234, 38%, 54%)
CMYK	cmyk(38.4%, 34.8%, 0%, 45.9%)
CIE-LAB	lab(39.71, 10.62, -27.30)
CIE-LCH	lch(39.71, 29.29, 291.25°)
OKLab	oklab(48.42% 0.0115 -0.0763)
OKLCH	oklch(48.42% 0.077 278.5)
XYZ	xyz(11.9886, 11.0781, 25.5464)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555A8A #8A8555

analogous

#55748A #555A8A #6A558A

triadic

#555A8A #8A555A #5A8A55

tetradic

#555A8A #8A5574 #8A8555 #558A6A

square

#555A8A #8A5574 #8A8555 #558A6A

split-complementary

#555A8A #8A6A55 #748A55

monochromatic

#26293E #3E4164 #555A8A #7378A9 #999DC0

Accessibility & contrast

On white

6.53

#555A8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#555A8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555A8A

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555A8A	#FFFFFF	#000000	##FFFFFF
##555A8A	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A608C

Deuteranopia (green-blind)

#475C89

Tritanopia (blue-blind)

#46636B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #555a8a;
/* rgb */ color: rgb(85, 90, 138);
/* oklch */ color: oklch(48.4% 0.077 278.5);

Tailwind

colors: {
  custom: {
    50: '#8788ac',
    500: '#555a8a',
    950: '#000000',
  },
}

SCSS

$custom: #555a8a;
$custom-light: #8788ac;
$custom-dark: #000000;

JSON

{
  "hex": "#555a8a",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 138
  },
  "hsl": {
    "h": 234.34,
    "s": 23.767,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48423,
    "c": 0.0772,
    "h": 278.5
  },
  "luminance": 0.11079
}

Semantic roles & 50–950 ramp

primary

#555A8A

secondary

#AEAB8D

accent

#B868C0

background

#F8F8FA

surface

#F0EFF4

border

#CBCACE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #555A8A

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

Preview Lab → · Contrast checker → · Palette generator →