#555FA5#555FA5

#555FA5 is a mid, moderate blue. Relative luminance 0.128; OKLCH L 51.0% C 0.111 H 275.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#555FA5
RGB	rgb(85, 95, 165)
HSL	hsl(233, 32%, 49%)
HSV	hsv(233, 48%, 65%)
CMYK	cmyk(48.5%, 42.4%, 0%, 35.3%)
CIE-LAB	lab(42.51, 15.76, -39.06)
CIE-LCH	lch(42.51, 42.12, 291.97°)
OKLab	oklab(51.03% 0.0109 -0.1105)
OKLCH	oklch(51.03% 0.111 275.6)
XYZ	xyz(14.6279, 12.8315, 37.2960)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FA5 #A59B55

analogous

#5587A5 #555FA5 #7355A5

triadic

#555FA5 #A5555F #5FA555

tetradic

#555FA5 #A55587 #A59B55 #55A573

square

#555FA5 #A55587 #A59B55 #55A573

split-complementary

#555FA5 #A57355 #87A555

monochromatic

#2B3054 #40487D #555FA5 #7C84BB #A4AAD0

Accessibility & contrast

On white

5.89

#555FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#555FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FA5

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FA5	#FFFFFF	#000000	##FFFFFF
##555FA5	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4468A8

Deuteranopia (green-blind)

#3D61A3

Tritanopia (blue-blind)

#376E7A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #555fa5;
/* rgb */ color: rgb(85, 95, 165);
/* oklch */ color: oklch(51.0% 0.111 275.6);

Tailwind

colors: {
  custom: {
    50: '#8a8cc0',
    500: '#555fa5',
    950: '#000000',
  },
}

SCSS

$custom: #555fa5;
$custom-light: #8a8cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#555fa5",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 165
  },
  "hsl": {
    "h": 232.5,
    "s": 32,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51029,
    "c": 0.11108,
    "h": 275.6
  },
  "luminance": 0.12832
}

Semantic roles & 50–950 ramp

primary

#555FA5

secondary

#BEB998

accent

#BB60C8

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555FA5

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

Preview Lab → · Contrast checker → · Palette generator →