#4873CB#4873CB

#4873CB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.144 H 263.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4873CB
RGB	rgb(72, 115, 203)
HSL	hsl(220, 56%, 54%)
HSV	hsv(220, 65%, 80%)
CMYK	cmyk(64.5%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(49.43, 13.25, -50.16)
CIE-LCH	lch(49.43, 51.88, 284.79°)
OKLab	oklab(56.85% -0.0176 -0.1432)
OKLCH	oklch(56.85% 0.144 263)
XYZ	xyz(19.5789, 17.9491, 58.9211)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4873CB #CBA048

analogous

#48B5CB #4873CB #5F48CB

triadic

#4873CB #CB4873 #73CB48

tetradic

#4873CB #CB48B5 #CBA048 #48CB5F

square

#4873CB #CB48B5 #CBA048 #48CB5F

split-complementary

#4873CB #CB5F48 #B5CB48

monochromatic

#223E77 #2F56A6 #4873CB #7897D9 #A7BCE6

Accessibility & contrast

On white

4.57

#4873CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#4873CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4873CB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4873CB	#FFFFFF	#000000	##000000
##4873CB	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCE

Deuteranopia (green-blind)

#3570C9

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4873cb;
/* rgb */ color: rgb(72, 115, 203);
/* oklch */ color: oklch(56.8% 0.144 263.0);

Tailwind

colors: {
  custom: {
    50: '#889adb',
    500: '#4873cb',
    950: '#000000',
  },
}

SCSS

$custom: #4873cb;
$custom-light: #889adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4873cb",
  "rgb": {
    "r": 72,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 220.305,
    "s": 55.745,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56847,
    "c": 0.14424,
    "h": 263
  },
  "luminance": 0.17951
}

Semantic roles & 50–950 ramp

primary

#4873CB

secondary

#D3C19B

accent

#AE49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4873CB

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

Preview Lab → · Contrast checker → · Palette generator →