#555FA4#555FA4

#555FA4 is a mid, moderate blue. Relative luminance 0.128; OKLCH L 51.0% C 0.110 H 275.6°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#555FA4
RGB	rgb(85, 95, 164)
HSL	hsl(232, 32%, 49%)
HSV	hsv(232, 48%, 64%)
CMYK	cmyk(48.2%, 42.1%, 0%, 35.7%)
CIE-LAB	lab(42.45, 15.44, -38.56)
CIE-LCH	lch(42.45, 41.53, 291.83°)
OKLab	oklab(50.97% 0.0107 -0.1091)
OKLCH	oklch(50.97% 0.11 275.6)
XYZ	xyz(14.5373, 12.7952, 36.8185)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FA4 #A49A55

analogous

#5587A4 #555FA4 #7355A4

triadic

#555FA4 #A4555F #5FA455

tetradic

#555FA4 #A45587 #A49A55 #55A473

square

#555FA4 #A45587 #A49A55 #55A473

split-complementary

#555FA4 #A47355 #87A455

monochromatic

#2B3053 #40487C #555FA4 #7B83BB #A4A9D0

Accessibility & contrast

On white

5.90

#555FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#555FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FA4

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FA4	#FFFFFF	#000000	##FFFFFF
##555FA4	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4468A7

Deuteranopia (green-blind)

#3D61A2

Tritanopia (blue-blind)

#386D79

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #555fa4;
/* rgb */ color: rgb(85, 95, 164);
/* oklch */ color: oklch(51.0% 0.110 275.6);

Tailwind

colors: {
  custom: {
    50: '#898cbf',
    500: '#555fa4',
    950: '#000000',
  },
}

SCSS

$custom: #555fa4;
$custom-light: #898cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#555fa4",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 164
  },
  "hsl": {
    "h": 232.405,
    "s": 31.727,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50969,
    "c": 0.1096,
    "h": 275.6
  },
  "luminance": 0.12796
}

Semantic roles & 50–950 ramp

primary

#555FA4

secondary

#BDB898

accent

#BB60C8

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555FA4

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

Preview Lab → · Contrast checker → · Palette generator →