#555FA3#555FA3

#555FA3 is a mid, moderate blue. Relative luminance 0.128; OKLCH L 50.9% C 0.108 H 275.6°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#555FA3
RGB	rgb(85, 95, 163)
HSL	hsl(232, 31%, 49%)
HSV	hsv(232, 48%, 64%)
CMYK	cmyk(47.9%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(42.40, 15.12, -38.05)
CIE-LCH	lch(42.40, 40.95, 291.68°)
OKLab	oklab(50.91% 0.0105 -0.1076)
OKLCH	oklch(50.91% 0.108 275.6)
XYZ	xyz(14.4473, 12.7593, 36.3447)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FA3 #A39955

analogous

#5586A3 #555FA3 #7255A3

triadic

#555FA3 #A3555F #5FA355

tetradic

#555FA3 #A35586 #A39955 #55A372

square

#555FA3 #A35586 #A39955 #55A372

split-complementary

#555FA3 #A37255 #86A355

monochromatic

#2B3053 #40487B #555FA3 #7B83BA #A3A9CF

Accessibility & contrast

On white

5.91

#555FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#555FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FA3

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FA3	#FFFFFF	#000000	##FFFFFF
##555FA3	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4567A6

Deuteranopia (green-blind)

#3E61A1

Tritanopia (blue-blind)

#386D79

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #555fa3;
/* rgb */ color: rgb(85, 95, 163);
/* oklch */ color: oklch(50.9% 0.108 275.6);

Tailwind

colors: {
  custom: {
    50: '#898cbe',
    500: '#555fa3',
    950: '#000000',
  },
}

SCSS

$custom: #555fa3;
$custom-light: #898cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#555fa3",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 232.308,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50909,
    "c": 0.10811,
    "h": 275.6
  },
  "luminance": 0.1276
}

Semantic roles & 50–950 ramp

primary

#555FA3

secondary

#BDB897

accent

#BA60C8

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555FA3

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

Preview Lab → · Contrast checker → · Palette generator →