#2872B3#2872B3

#2872B3 is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 53.9% C 0.125 H 249.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#2872B3
RGB	rgb(40, 114, 179)
HSL	hsl(208, 63%, 43%)
HSV	hsv(208, 78%, 70%)
CMYK	cmyk(77.7%, 36.3%, 0%, 29.8%)
CIE-LAB	lab(46.63, 0.40, -40.87)
CIE-LCH	lch(46.63, 40.87, 270.56°)
OKLab	oklab(53.9% -0.0447 -0.1164)
OKLCH	oklch(53.9% 0.125 249)
XYZ	xyz(15.0260, 15.7386, 44.8850)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2872B3 #B36928

analogous

#28B3AE #2872B3 #282CB3

triadic

#2872B3 #B32872 #72B328

tetradic

#2872B3 #AE28B3 #B36928 #2CB328

square

#2872B3 #AE28B3 #B36928 #2CB328

split-complementary

#2872B3 #B3282C #B3AE28

monochromatic

#12324F #1D5281 #2872B3 #4391D5 #75AEE0

Accessibility & contrast

On white

5.06

#2872B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#2872B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2872B3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2872B3	#FFFFFF	#000000	##FFFFFF
##2872B3	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5475B6

Deuteranopia (green-blind)

#3F69B2

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2872b3;
/* rgb */ color: rgb(40, 114, 179);
/* oklch */ color: oklch(53.9% 0.125 249.0);

Tailwind

colors: {
  custom: {
    50: '#769aca',
    500: '#2872b3',
    950: '#000000',
  },
}

SCSS

$custom: #2872b3;
$custom-light: #769aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2872b3",
  "rgb": {
    "r": 40,
    "g": 114,
    "b": 179
  },
  "hsl": {
    "h": 208.058,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53904,
    "c": 0.12464,
    "h": 249
  },
  "luminance": 0.1574
}

Semantic roles & 50–950 ramp

primary

#2872B3

secondary

#C8996F

accent

#8F41E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2872B3

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

Preview Lab → · Contrast checker → · Palette generator →