#5A73CB#5A73CB

#5A73CB is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.8% C 0.138 H 269.7°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5A73CB
RGB	rgb(90, 115, 203)
HSL	hsl(227, 52%, 57%)
HSV	hsv(227, 56%, 80%)
CMYK	cmyk(55.7%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(50.39, 16.71, -48.58)
CIE-LCH	lch(50.39, 51.38, 288.98°)
OKLab	oklab(57.83% -0.0006 -0.1382)
OKLCH	oklch(57.83% 0.138 269.7)
XYZ	xyz(21.1231, 18.7454, 58.9934)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A73CB #CBB25A

analogous

#5AABCB #5A73CB #7A5ACB

triadic

#5A73CB #CB5A73 #73CB5A

tetradic

#5A73CB #CB5AAB #CBB25A #5ACB7A

square

#5A73CB #CB5AAB #CBB25A #5ACB7A

split-complementary

#5A73CB #CB7A5A #ABCB5A

monochromatic

#293D82 #3852B0 #5A73CB #899ADA #B7C2E8

Accessibility & contrast

On white

4.42

#5A73CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5A73CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A73CB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A73CB	#FFFFFF	#000000	##000000
##5A73CB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7DCE

Deuteranopia (green-blind)

#3F73C9

Tritanopia (blue-blind)

#178695

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5a73cb;
/* rgb */ color: rgb(90, 115, 203);
/* oklch */ color: oklch(57.8% 0.138 269.7);

Tailwind

colors: {
  custom: {
    50: '#919adb',
    500: '#5a73cb',
    950: '#000000',
  },
}

SCSS

$custom: #5a73cb;
$custom-light: #919adb;
$custom-dark: #000000;

JSON

{
  "hex": "#5a73cb",
  "rgb": {
    "r": 90,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 226.726,
    "s": 52.074,
    "l": 57.451
  },
  "oklch": {
    "l": 0.57834,
    "c": 0.13818,
    "h": 269.7
  },
  "luminance": 0.18747
}

Semantic roles & 50–950 ramp

primary

#5A73CB

secondary

#D7CDAA

accent

#BC4CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5A73CB

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

Preview Lab → · Contrast checker → · Palette generator →