#5575CB#5575CB

#5575CB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.0% C 0.137 H 266.8°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#5575CB
RGB	rgb(85, 117, 203)
HSL	hsl(224, 53%, 56%)
HSV	hsv(224, 58%, 80%)
CMYK	cmyk(58.1%, 42.4%, 0%, 20.4%)
CIE-LAB	lab(50.65, 14.45, -48.19)
CIE-LCH	lch(50.65, 50.31, 286.69°)
OKLab	oklab(57.96% -0.0077 -0.1371)
OKLCH	oklch(57.96% 0.137 266.8)
XYZ	xyz(20.8834, 18.9640, 59.0483)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5575CB #CBAB55

analogous

#55B0CB #5575CB #7055CB

triadic

#5575CB #CB5575 #75CB55

tetradic

#5575CB #CB55B0 #CBAB55 #55CB70

square

#5575CB #CB55B0 #CBAB55 #55CB70

split-complementary

#5575CB #CB7055 #B0CB55

monochromatic

#273F7F #3556AE #5575CB #849BD9 #B3C1E8

Accessibility & contrast

On white

4.38

#5575CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#5575CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5575CB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5575CB	#FFFFFF	#000000	##000000
##5575CB	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7ECE

Deuteranopia (green-blind)

#3F74C9

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5575cb;
/* rgb */ color: rgb(85, 117, 203);
/* oklch */ color: oklch(58.0% 0.137 266.8);

Tailwind

colors: {
  custom: {
    50: '#8e9cdb',
    500: '#5575cb',
    950: '#000000',
  },
}

SCSS

$custom: #5575cb;
$custom-light: #8e9cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5575cb",
  "rgb": {
    "r": 85,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 223.729,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57956,
    "c": 0.13733,
    "h": 266.8
  },
  "luminance": 0.18966
}

Semantic roles & 50–950 ramp

primary

#5575CB

secondary

#D6C9A6

accent

#B54BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5575CB

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

Preview Lab → · Contrast checker → · Palette generator →