#555FA7#555FA7

#555FA7 is a mid, moderate blue. Relative luminance 0.129; OKLCH L 51.2% C 0.114 H 275.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#555FA7
RGB	rgb(85, 95, 167)
HSL	hsl(233, 33%, 49%)
HSV	hsv(233, 49%, 65%)
CMYK	cmyk(49.1%, 43.1%, 0%, 34.5%)
CIE-LAB	lab(42.62, 16.39, -40.07)
CIE-LCH	lch(42.62, 43.29, 292.25°)
OKLab	oklab(51.15% 0.0112 -0.1135)
OKLCH	oklch(51.15% 0.114 275.6)
XYZ	xyz(14.8114, 12.9049, 38.2622)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FA7 #A79D55

analogous

#5588A7 #555FA7 #7455A7

triadic

#555FA7 #A7555F #5FA755

tetradic

#555FA7 #A75588 #A79D55 #55A774

square

#555FA7 #A75588 #A79D55 #55A774

split-complementary

#555FA7 #A77455 #88A755

monochromatic

#2C3156 #40487E #555FA7 #7D84BD #A5ABD1

Accessibility & contrast

On white

5.86

#555FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#555FA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FA7

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FA7	#FFFFFF	#000000	##FFFFFF
##555FA7	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4268AA

Deuteranopia (green-blind)

#3B61A5

Tritanopia (blue-blind)

#356E7B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #555fa7;
/* rgb */ color: rgb(85, 95, 167);
/* oklch */ color: oklch(51.2% 0.114 275.6);

Tailwind

colors: {
  custom: {
    50: '#8a8cc1',
    500: '#555fa7',
    950: '#000000',
  },
}

SCSS

$custom: #555fa7;
$custom-light: #8a8cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#555fa7",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 167
  },
  "hsl": {
    "h": 232.683,
    "s": 32.54,
    "l": 49.412
  },
  "oklch": {
    "l": 0.51151,
    "c": 0.11405,
    "h": 275.6
  },
  "luminance": 0.12906
}

Semantic roles & 50–950 ramp

primary

#555FA7

secondary

#BFBA99

accent

#BC5FC9

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555FA7

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

Preview Lab → · Contrast checker → · Palette generator →