#2873BD#2873BD

#2873BD is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.136 H 251.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#2873BD
RGB	rgb(40, 115, 189)
HSL	hsl(210, 65%, 45%)
HSV	hsv(210, 79%, 74%)
CMYK	cmyk(78.8%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(47.48, 3.55, -45.32)
CIE-LCH	lch(47.48, 45.45, 274.48°)
OKLab	oklab(54.75% -0.043 -0.1294)
OKLCH	oklch(54.75% 0.136 251.6)
XYZ	xyz(16.1876, 16.3848, 50.4437)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2873BD #BD7228

analogous

#28BDBD #2873BD #2828BD

triadic

#2873BD #BD2873 #73BD28

tetradic

#2873BD #BD28BD #BD7228 #28BD28

square

#2873BD #BD28BD #BD7228 #28BD28

split-complementary

#2873BD #BD2828 #BDBD28

monochromatic

#133658 #1D548A #2873BD #4A92D9 #7CB0E3

Accessibility & contrast

On white

4.91

#2873BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#2873BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2873BD

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2873BD	#FFFFFF	#000000	##FFFFFF
##2873BD	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5078C0

Deuteranopia (green-blind)

#386ABC

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2873bd;
/* rgb */ color: rgb(40, 115, 189);
/* oklch */ color: oklch(54.7% 0.136 251.6);

Tailwind

colors: {
  custom: {
    50: '#799ad1',
    500: '#2873bd',
    950: '#000000',
  },
}

SCSS

$custom: #2873bd;
$custom-light: #799ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#2873bd",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 209.799,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54745,
    "c": 0.13634,
    "h": 251.6
  },
  "luminance": 0.16387
}

Semantic roles & 50–950 ramp

primary

#2873BD

secondary

#CBA075

accent

#9340E8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2873BD

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

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