#2728BD#2728BD

#2728BD is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.5% C 0.221 H 270.6°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#2728BD
RGB	rgb(39, 40, 189)
HSL	hsl(240, 66%, 45%)
HSV	hsv(240, 79%, 74%)
CMYK	cmyk(79.4%, 78.8%, 0%, 25.9%)
CIE-LAB	lab(28.44, 50.47, -76.28)
CIE-LCH	lch(28.44, 91.47, 303.49°)
OKLab	oklab(40.48% 0.0024 -0.2209)
OKLCH	oklch(40.48% 0.221 270.6)
XYZ	xyz(10.7777, 5.6218, 48.6513)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728BD #BDBC27

analogous

#2773BD #2728BD #7127BD

triadic

#2728BD #BD2728 #28BD27

tetradic

#2728BD #BD2773 #BDBC27 #27BD71

square

#2728BD #BD2773 #BDBC27 #27BD71

split-complementary

#2728BD #BD7127 #73BD27

monochromatic

#121358 #1D1D8A #2728BD #4849D9 #7B7BE4

Accessibility & contrast

On white

9.88

#2728BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2728BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728BD

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728BD	#FFFFFF	#000000	##FFFFFF
##2728BD	1.00	9.88	2.12	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC1

Deuteranopia (green-blind)

#003BBA

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2728bd;
/* rgb */ color: rgb(39, 40, 189);
/* oklch */ color: oklch(40.5% 0.221 270.6);

Tailwind

colors: {
  custom: {
    50: '#7d65d2',
    500: '#2728bd',
    950: '#000000',
  },
}

SCSS

$custom: #2728bd;
$custom-light: #7d65d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2728bd",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 189
  },
  "hsl": {
    "h": 239.6,
    "s": 65.789,
    "l": 44.706
  },
  "oklch": {
    "l": 0.40483,
    "c": 0.2209,
    "h": 270.6
  },
  "luminance": 0.05623
}

Semantic roles & 50–950 ramp

primary

#2728BD

secondary

#CCCB74

accent

#E83FE9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2728BD

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

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