#2728C4#2728C4

#2728C4 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.3% C 0.229 H 270.3°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#2728C4
RGB	rgb(39, 40, 196)
HSL	hsl(240, 67%, 46%)
HSV	hsv(240, 80%, 77%)
CMYK	cmyk(80.1%, 79.6%, 0%, 23.1%)
CIE-LAB	lab(29.24, 52.69, -79.07)
CIE-LCH	lch(29.24, 95.02, 303.68°)
OKLab	oklab(41.28% 0.001 -0.229)
OKLCH	oklch(41.28% 0.229 270.3)
XYZ	xyz(11.5559, 5.9331, 52.7500)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728C4 #C4C327

analogous

#2776C4 #2728C4 #7427C4

triadic

#2728C4 #C42728 #28C427

tetradic

#2728C4 #C42776 #C4C327 #27C474

square

#2728C4 #C42776 #C4C327 #27C474

split-complementary

#2728C4 #C47427 #76C427

monochromatic

#13135E #1D1E91 #2728C4 #4D4EDC #8080E6

Accessibility & contrast

On white

9.60

#2728C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2728C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728C4

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728C4	#FFFFFF	#000000	##FFFFFF
##2728C4	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DC8

Deuteranopia (green-blind)

#003DC1

Tritanopia (blue-blind)

#005976

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2728c4;
/* rgb */ color: rgb(39, 40, 196);
/* oklch */ color: oklch(41.3% 0.229 270.3);

Tailwind

colors: {
  custom: {
    50: '#7f65d7',
    500: '#2728c4',
    950: '#000000',
  },
}

SCSS

$custom: #2728c4;
$custom-light: #7f65d7;
$custom-dark: #000000;

JSON

{
  "hex": "#2728c4",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 196
  },
  "hsl": {
    "h": 239.618,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4128,
    "c": 0.22897,
    "h": 270.3
  },
  "luminance": 0.05934
}

Semantic roles & 50–950 ramp

primary

#2728C4

secondary

#CECE79

accent

#E93EEA

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #2728C4

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

Preview Lab → · Contrast checker → · Palette generator →