#4873D3#4873D3

#4873D3 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.4% C 0.155 H 264.0°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4873D3
RGB	rgb(72, 115, 211)
HSL	hsl(221, 61%, 55%)
HSV	hsv(221, 66%, 83%)
CMYK	cmyk(65.9%, 45.5%, 0%, 17.3%)
CIE-LAB	lab(49.91, 16.05, -53.97)
CIE-LCH	lch(49.91, 56.30, 286.56°)
OKLab	oklab(57.36% -0.0162 -0.1543)
OKLCH	oklch(57.36% 0.155 264)
XYZ	xyz(20.5570, 18.3404, 64.0721)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4873D3 #D3A848

analogous

#48B8D3 #4873D3 #6248D3

triadic

#4873D3 #D34873 #73D348

tetradic

#4873D3 #D348B8 #D3A848 #48D362

square

#4873D3 #D348B8 #D3A848 #48D362

split-complementary

#4873D3 #D36248 #B8D348

monochromatic

#1F3E81 #2B55B3 #4873D3 #7999DF #ABBEEB

Accessibility & contrast

On white

4.50

#4873D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4873D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4873D3

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4873D3	#FFFFFF	#000000	##000000
##4873D3	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#437DD7

Deuteranopia (green-blind)

#2A71D1

Tritanopia (blue-blind)

#008999

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4873d3;
/* rgb */ color: rgb(72, 115, 211);
/* oklch */ color: oklch(57.4% 0.155 264.0);

Tailwind

colors: {
  custom: {
    50: '#899ae1',
    500: '#4873d3',
    950: '#000000',
  },
}

SCSS

$custom: #4873d3;
$custom-light: #899ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#4873d3",
  "rgb": {
    "r": 72,
    "g": 115,
    "b": 211
  },
  "hsl": {
    "h": 221.439,
    "s": 61.233,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57362,
    "c": 0.15519,
    "h": 264
  },
  "luminance": 0.18342
}

Semantic roles & 50–950 ramp

primary

#4873D3

secondary

#D8C69E

accent

#B343E4

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4873D3

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

Preview Lab → · Contrast checker → · Palette generator →