#555D83#555D83

#555D83 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.062 H 274.7°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#555D83
RGB	rgb(85, 93, 131)
HSL	hsl(230, 21%, 42%)
HSV	hsv(230, 35%, 51%)
CMYK	cmyk(35.1%, 29%, 0%, 48.6%)
CIE-LAB	lab(40.24, 6.69, -22.22)
CIE-LCH	lch(40.24, 23.21, 286.76°)
OKLab	oklab(48.73% 0.0051 -0.0617)
OKLCH	oklch(48.73% 0.062 274.7)
XYZ	xyz(11.7562, 11.3983, 23.0490)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555D83 #837B55

analogous

#557483 #555D83 #645583

triadic

#555D83 #83555D #5D8355

tetradic

#555D83 #835574 #837B55 #558364

square

#555D83 #835574 #837B55 #558364

split-complementary

#555D83 #836455 #748355

monochromatic

#252839 #3D435E #555D83 #727AA3 #979DBB

Accessibility & contrast

On white

6.40

#555D83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#555D83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555D83

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555D83	#FFFFFF	#000000	##FFFFFF
##555D83	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516185

Deuteranopia (green-blind)

#4E5D82

Tritanopia (blue-blind)

#48646A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #555d83;
/* rgb */ color: rgb(85, 93, 131);
/* oklch */ color: oklch(48.7% 0.062 274.7);

Tailwind

colors: {
  custom: {
    50: '#868aa7',
    500: '#555d83',
    950: '#000000',
  },
}

SCSS

$custom: #555d83;
$custom-light: #868aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#555d83",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 131
  },
  "hsl": {
    "h": 229.565,
    "s": 21.296,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48727,
    "c": 0.06194,
    "h": 274.7
  },
  "luminance": 0.11399
}

Semantic roles & 50–950 ramp

primary

#555D83

secondary

#A9A48B

accent

#AF6ABE

background

#F8F8FA

surface

#EFF0F4

border

#CACBCE

text

#0B0B0F

muted

#7C7C7F

Preview Lab

Preview with #555D83

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

Preview Lab → · Contrast checker → · Palette generator →