#555C8D#555C8D

#555C8D is a mid, moderate blue. Relative luminance 0.115; OKLCH L 49.0% C 0.079 H 276.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#555C8D
RGB	rgb(85, 92, 141)
HSL	hsl(233, 25%, 44%)
HSV	hsv(233, 40%, 55%)
CMYK	cmyk(39.7%, 34.8%, 0%, 44.7%)
CIE-LAB	lab(40.42, 10.25, -28.00)
CIE-LCH	lch(40.42, 29.82, 290.10°)
OKLab	oklab(49.02% 0.0094 -0.0784)
OKLCH	oklch(49.02% 0.079 276.9)
XYZ	xyz(12.3798, 11.5082, 26.7631)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555C8D #8D8655

analogous

#55788D #555C8D #6A558D

triadic

#555C8D #8D555C #5C8D55

tetradic

#555C8D #8D5578 #8D8655 #558D6A

square

#555C8D #8D5578 #8D8655 #558D6A

split-complementary

#555C8D #8D6A55 #788D55

monochromatic

#272A41 #3E4367 #555C8D #747BAB #9A9FC2

Accessibility & contrast

On white

6.36

#555C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#555C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555C8D

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555C8D	#FFFFFF	#000000	##FFFFFF
##555C8D	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C628F

Deuteranopia (green-blind)

#485D8C

Tritanopia (blue-blind)

#44666E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #555c8d;
/* rgb */ color: rgb(85, 92, 141);
/* oklch */ color: oklch(49.0% 0.079 276.9);

Tailwind

colors: {
  custom: {
    50: '#878aae',
    500: '#555c8d',
    950: '#000000',
  },
}

SCSS

$custom: #555c8d;
$custom-light: #878aae;
$custom-dark: #000000;

JSON

{
  "hex": "#555c8d",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 141
  },
  "hsl": {
    "h": 232.5,
    "s": 24.779,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4902,
    "c": 0.07894,
    "h": 276.9
  },
  "luminance": 0.11509
}

Semantic roles & 50–950 ramp

primary

#555C8D

secondary

#B0AB8E

accent

#B667C1

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #555C8D

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

Preview Lab → · Contrast checker → · Palette generator →