#555F8A#555F8A

#555F8A is a mid, moderate blue. Relative luminance 0.120; OKLCH L 49.5% C 0.070 H 273.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#555F8A
RGB	rgb(85, 95, 138)
HSL	hsl(229, 24%, 44%)
HSV	hsv(229, 38%, 54%)
CMYK	cmyk(38.4%, 31.2%, 0%, 45.9%)
CIE-LAB	lab(41.14, 7.48, -25.08)
CIE-LCH	lch(41.14, 26.17, 286.60°)
OKLab	oklab(49.53% 0.0044 -0.0699)
OKLCH	oklch(49.53% 0.07 273.6)
XYZ	xyz(12.4246, 11.9502, 25.6918)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555F8A #8A8055

analogous

#55798A #555F8A #65558A

triadic

#555F8A #8A555F #5F8A55

tetradic

#555F8A #8A5579 #8A8055 #558A65

square

#555F8A #8A5579 #8A8055 #558A65

split-complementary

#555F8A #8A6555 #798A55

monochromatic

#262B3E #3E4564 #555F8A #737DA9 #99A1C0

Accessibility & contrast

On white

6.19

#555F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#555F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555F8A

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555F8A	#FFFFFF	#000000	##FFFFFF
##555F8A	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51638C

Deuteranopia (green-blind)

#4D5F89

Tritanopia (blue-blind)

#45676E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #555f8a;
/* rgb */ color: rgb(85, 95, 138);
/* oklch */ color: oklch(49.5% 0.070 273.6);

Tailwind

colors: {
  custom: {
    50: '#878cac',
    500: '#555f8a',
    950: '#000000',
  },
}

SCSS

$custom: #555f8a;
$custom-light: #878cac;
$custom-dark: #000000;

JSON

{
  "hex": "#555f8a",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 138
  },
  "hsl": {
    "h": 228.679,
    "s": 23.767,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49525,
    "c": 0.07006,
    "h": 273.6
  },
  "luminance": 0.11951
}

Semantic roles & 50–950 ramp

primary

#555F8A

secondary

#AEA88D

accent

#B068C0

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0B0C10

muted

#7C7D7F

Preview Lab

Preview with #555F8A

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

Preview Lab → · Contrast checker → · Palette generator →