#5873CB#5873CB

#5873CB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.7% C 0.139 H 268.9°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5873CB
RGB	rgb(88, 115, 203)
HSL	hsl(226, 53%, 57%)
HSV	hsv(226, 57%, 80%)
CMYK	cmyk(56.7%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(50.27, 16.29, -48.78)
CIE-LCH	lch(50.27, 51.43, 288.47°)
OKLab	oklab(57.71% -0.0026 -0.1388)
OKLCH	oklch(57.71% 0.139 268.9)
XYZ	xyz(20.9311, 18.6464, 58.9844)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5873CB #CBB058

analogous

#58ADCB #5873CB #7758CB

triadic

#5873CB #CB5873 #73CB58

tetradic

#5873CB #CB58AD #CBB058 #58CB77

square

#5873CB #CB58AD #CBB058 #58CB77

split-complementary

#5873CB #CB7758 #ADCB58

monochromatic

#283D81 #3753AF #5873CB #879ADA #B5C1E8

Accessibility & contrast

On white

4.44

#5873CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#5873CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5873CB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5873CB	#FFFFFF	#000000	##000000
##5873CB	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCE

Deuteranopia (green-blind)

#3D73C9

Tritanopia (blue-blind)

#098695

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5873cb;
/* rgb */ color: rgb(88, 115, 203);
/* oklch */ color: oklch(57.7% 0.139 268.9);

Tailwind

colors: {
  custom: {
    50: '#909adb',
    500: '#5873cb',
    950: '#000000',
  },
}

SCSS

$custom: #5873cb;
$custom-light: #909adb;
$custom-dark: #000000;

JSON

{
  "hex": "#5873cb",
  "rgb": {
    "r": 88,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 225.913,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57714,
    "c": 0.13881,
    "h": 268.9
  },
  "luminance": 0.18648
}

Semantic roles & 50–950 ramp

primary

#5873CB

secondary

#D7CCA8

accent

#BA4CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5873CB

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

Preview Lab → · Contrast checker → · Palette generator →