#555FA8#555FA8

#555FA8 is a mid, moderate blue. Relative luminance 0.129; OKLCH L 51.2% C 0.116 H 275.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#555FA8
RGB	rgb(85, 95, 168)
HSL	hsl(233, 33%, 50%)
HSV	hsv(233, 49%, 66%)
CMYK	cmyk(49.4%, 43.5%, 0%, 34.1%)
CIE-LAB	lab(42.68, 16.71, -40.57)
CIE-LCH	lch(42.68, 43.88, 292.39°)
OKLab	oklab(51.21% 0.0114 -0.115)
OKLCH	oklch(51.21% 0.116 275.7)
XYZ	xyz(14.9042, 12.9420, 38.7509)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FA8 #A89E55

analogous

#5589A8 #555FA8 #7555A8

triadic

#555FA8 #A8555F #5FA855

tetradic

#555FA8 #A85589 #A89E55 #55A875

square

#555FA8 #A85589 #A89E55 #55A875

split-complementary

#555FA8 #A87555 #89A855

monochromatic

#2C3157 #40487F #555FA8 #7D85BD #A6ABD2

Accessibility & contrast

On white

5.85

#555FA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#555FA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FA8

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FA8	#FFFFFF	#000000	##FFFFFF
##555FA8	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4268AB

Deuteranopia (green-blind)

#3A62A6

Tritanopia (blue-blind)

#356E7B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #555fa8;
/* rgb */ color: rgb(85, 95, 168);
/* oklch */ color: oklch(51.2% 0.116 275.7);

Tailwind

colors: {
  custom: {
    50: '#8a8cc2',
    500: '#555fa8',
    950: '#000000',
  },
}

SCSS

$custom: #555fa8;
$custom-light: #8a8cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#555fa8",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 168
  },
  "hsl": {
    "h": 232.771,
    "s": 32.806,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51212,
    "c": 0.11553,
    "h": 275.7
  },
  "luminance": 0.12943
}

Semantic roles & 50–950 ramp

primary

#555FA8

secondary

#BFBB99

accent

#BC5FC9

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555FA8

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

Preview Lab → · Contrast checker → · Palette generator →