#555A8D#555A8D

#555A8D is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.6% C 0.082 H 278.6°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#555A8D
RGB	rgb(85, 90, 141)
HSL	hsl(235, 25%, 44%)
HSV	hsv(235, 40%, 55%)
CMYK	cmyk(39.7%, 36.2%, 0%, 44.7%)
CIE-LAB	lab(39.86, 11.51, -28.88)
CIE-LCH	lch(39.86, 31.09, 291.72°)
OKLab	oklab(48.59% 0.0123 -0.0809)
OKLCH	oklch(48.59% 0.082 278.6)
XYZ	xyz(12.2088, 11.1662, 26.7062)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555A8D #8D8855

analogous

#55768D #555A8D #6C558D

triadic

#555A8D #8D555A #5A8D55

tetradic

#555A8D #8D5576 #8D8855 #558D6C

square

#555A8D #8D5576 #8D8855 #558D6C

split-complementary

#555A8D #8D6C55 #768D55

monochromatic

#272941 #3E4267 #555A8D #7479AB #9A9EC2

Accessibility & contrast

On white

6.49

#555A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#555A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555A8D

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555A8D	#FFFFFF	#000000	##FFFFFF
##555A8D	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49608F

Deuteranopia (green-blind)

#465C8C

Tritanopia (blue-blind)

#44646D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #555a8d;
/* rgb */ color: rgb(85, 90, 141);
/* oklch */ color: oklch(48.6% 0.082 278.6);

Tailwind

colors: {
  custom: {
    50: '#8788ae',
    500: '#555a8d',
    950: '#000000',
  },
}

SCSS

$custom: #555a8d;
$custom-light: #8788ae;
$custom-dark: #000000;

JSON

{
  "hex": "#555a8d",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 141
  },
  "hsl": {
    "h": 234.643,
    "s": 24.779,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48585,
    "c": 0.08185,
    "h": 278.6
  },
  "luminance": 0.11167
}

Semantic roles & 50–950 ramp

primary

#555A8D

secondary

#B0AD8E

accent

#B967C1

background

#F8F8FA

surface

#F0EFF4

border

#CBCACE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #555A8D

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

Preview Lab → · Contrast checker → · Palette generator →