#2873DE#2873DE

#2873DE is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.179 H 258.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#2873DE
RGB	rgb(40, 115, 222)
HSL	hsl(215, 73%, 51%)
HSV	hsv(215, 82%, 87%)
CMYK	cmyk(82%, 48.2%, 0%, 12.9%)
CIE-LAB	lab(49.48, 16.09, -60.95)
CIE-LCH	lch(49.48, 63.03, 284.79°)
OKLab	oklab(56.94% -0.0365 -0.1753)
OKLCH	oklch(56.94% 0.179 258.2)
XYZ	xyz(20.1858, 17.9840, 71.5004)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2873DE #DE9328

analogous

#28CEDE #2873DE #3828DE

triadic

#2873DE #DE2873 #73DE28

tetradic

#2873DE #DE28CE #DE9328 #28DE38

square

#2873DE #DE28CE #DE9328 #28DE38

split-complementary

#2873DE #DE3828 #CEDE28

monochromatic

#133D79 #1B57AE #2873DE #5D96E6 #92B8EE

Accessibility & contrast

On white

4.57

#2873DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#2873DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2873DE

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2873DE	#FFFFFF	#000000	##000000
##2873DE	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347EE2

Deuteranopia (green-blind)

#006EDC

Tritanopia (blue-blind)

#008D9E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2873de;
/* rgb */ color: rgb(40, 115, 222);
/* oklch */ color: oklch(56.9% 0.179 258.2);

Tailwind

colors: {
  custom: {
    50: '#809ae9',
    500: '#2873de',
    950: '#000000',
  },
}

SCSS

$custom: #2873de;
$custom-light: #809ae9;
$custom-dark: #000000;

JSON

{
  "hex": "#2873de",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 222
  },
  "hsl": {
    "h": 215.275,
    "s": 73.387,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56941,
    "c": 0.1791,
    "h": 258.2
  },
  "luminance": 0.17987
}

Semantic roles & 50–950 ramp

primary

#2873DE

secondary

#D9B889

accent

#A438F0

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #2873DE

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

Preview Lab → · Contrast checker → · Palette generator →