#2728A9#2728A9

#2728A9 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.197 H 271.8°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#2728A9
RGB	rgb(39, 40, 169)
HSL	hsl(240, 63%, 41%)
HSV	hsv(240, 77%, 66%)
CMYK	cmyk(76.9%, 76.3%, 0%, 33.7%)
CIE-LAB	lab(26.19, 43.94, -68.06)
CIE-LCH	lch(26.19, 81.01, 302.84°)
OKLab	oklab(38.25% 0.0062 -0.197)
OKLCH	oklch(38.25% 0.197 271.8)
XYZ	xyz(8.7545, 4.8125, 37.9960)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728A9 #A9A827

analogous

#2769A9 #2728A9 #6727A9

triadic

#2728A9 #A92728 #28A927

tetradic

#2728A9 #A92769 #A9A827 #27A967

square

#2728A9 #A92769 #A9A827 #27A967

split-complementary

#2728A9 #A96727 #69A927

monochromatic

#101046 #1C1C77 #2728A9 #3B3DD2 #6D6EDD

Accessibility & contrast

On white

10.70

#2728A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2728A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728A9

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728A9	#FFFFFF	#000000	##FFFFFF
##2728A9	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AD

Deuteranopia (green-blind)

#0037A7

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2728a9;
/* rgb */ color: rgb(39, 40, 169);
/* oklch */ color: oklch(38.2% 0.197 271.8);

Tailwind

colors: {
  custom: {
    50: '#7864c4',
    500: '#2728a9',
    950: '#000000',
  },
}

SCSS

$custom: #2728a9;
$custom-light: #7864c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2728a9",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 169
  },
  "hsl": {
    "h": 239.538,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38249,
    "c": 0.19712,
    "h": 271.8
  },
  "luminance": 0.04813
}

Semantic roles & 50–950 ramp

primary

#2728A9

secondary

#C4C368

accent

#E442E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2728A9

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

Preview Lab → · Contrast checker → · Palette generator →