#2873CD#2873CD

#2873CD is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.8% C 0.157 H 255.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#2873CD
RGB	rgb(40, 115, 205)
HSL	hsl(213, 67%, 48%)
HSV	hsv(213, 80%, 80%)
CMYK	cmyk(80.5%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(48.41, 9.62, -53.01)
CIE-LCH	lch(48.41, 53.88, 280.29°)
OKLab	oklab(55.77% -0.0394 -0.152)
OKLCH	oklch(55.77% 0.157 255.5)
XYZ	xyz(18.0211, 17.1182, 60.1001)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2873CD #CD8228

analogous

#28C5CD #2873CD #2F28CD

triadic

#2873CD #CD2873 #73CD28

tetradic

#2873CD #CD28C5 #CD8228 #28CD2F

square

#2873CD #CD28C5 #CD8228 #28CD2F

split-complementary

#2873CD #CD2F28 #C5CD28

monochromatic

#143A67 #1E569A #2873CD #5493DE #88B3E8

Accessibility & contrast

On white

4.75

#2873CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#2873CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2873CD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2873CD	#FFFFFF	#000000	##FFFFFF
##2873CD	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447BD0

Deuteranopia (green-blind)

#226CCB

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2873cd;
/* rgb */ color: rgb(40, 115, 205);
/* oklch */ color: oklch(55.8% 0.157 255.5);

Tailwind

colors: {
  custom: {
    50: '#7c9add',
    500: '#2873cd',
    950: '#000000',
  },
}

SCSS

$custom: #2873cd;
$custom-light: #7c9add;
$custom-dark: #000000;

JSON

{
  "hex": "#2873cd",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 212.727,
    "s": 67.347,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55773,
    "c": 0.15704,
    "h": 255.5
  },
  "luminance": 0.1712
}

Semantic roles & 50–950 ramp

primary

#2873CD

secondary

#D1AC80

accent

#9C3EEA

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2873CD

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

Preview Lab → · Contrast checker → · Palette generator →