#5575BB#5575BB

#5575BB is a mid, moderate blue. Relative luminance 0.182; OKLCH L 57.0% C 0.115 H 264.5°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#5575BB
RGB	rgb(85, 117, 187)
HSL	hsl(221, 43%, 53%)
HSV	hsv(221, 55%, 73%)
CMYK	cmyk(54.5%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(49.79, 9.17, -40.38)
CIE-LCH	lch(49.79, 41.41, 282.80°)
OKLab	oklab(57.01% -0.0111 -0.1142)
OKLCH	oklch(57.01% 0.115 264.5)
XYZ	xyz(19.0742, 18.2403, 49.5197)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5575BB #BB9B55

analogous

#55A8BB #5575BB #6855BB

triadic

#5575BB #BB5575 #75BB55

tetradic

#5575BB #BB55A8 #BB9B55 #55BB68

square

#5575BB #BB55A8 #BB9B55 #55BB68

split-complementary

#5575BB #BB6855 #A8BB55

monochromatic

#2B3F6B #3C5997 #5575BB #8198CC #ACBCDE

Accessibility & contrast

On white

4.52

#5575BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#5575BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5575BB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5575BB	#FFFFFF	#000000	##000000
##5575BB	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597BBE

Deuteranopia (green-blind)

#4C72B9

Tritanopia (blue-blind)

#1C848F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5575bb;
/* rgb */ color: rgb(85, 117, 187);
/* oklch */ color: oklch(57.0% 0.115 264.5);

Tailwind

colors: {
  custom: {
    50: '#8c9cd0',
    500: '#5575bb',
    950: '#000000',
  },
}

SCSS

$custom: #5575bb;
$custom-light: #8c9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5575bb",
  "rgb": {
    "r": 85,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 221.176,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57014,
    "c": 0.11478,
    "h": 264.5
  },
  "luminance": 0.18242
}

Semantic roles & 50–950 ramp

primary

#5575BB

secondary

#CCBEA0

accent

#AB55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #5575BB

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

Preview Lab → · Contrast checker → · Palette generator →