#2728AF#2728AF

#2728AF is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 38.9% C 0.204 H 271.4°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#2728AF
RGB	rgb(39, 40, 175)
HSL	hsl(240, 64%, 42%)
HSV	hsv(240, 78%, 69%)
CMYK	cmyk(77.7%, 77.1%, 0%, 31.4%)
CIE-LAB	lab(26.86, 45.93, -70.57)
CIE-LCH	lch(26.86, 84.20, 303.06°)
OKLab	oklab(38.91% 0.0051 -0.2043)
OKLCH	oklch(38.91% 0.204 271.4)
XYZ	xyz(9.3307, 5.0430, 41.0308)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728AF #AFAE27

analogous

#276CAF #2728AF #6A27AF

triadic

#2728AF #AF2728 #28AF27

tetradic

#2728AF #AF276C #AFAE27 #27AF6A

square

#2728AF #AF276C #AFAE27 #27AF6A

split-complementary

#2728AF #AF6A27 #6CAF27

monochromatic

#11114B #1C1D7D #2728AF #3F40D4 #7172DF

Accessibility & contrast

On white

10.45

#2728AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2728AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728AF

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728AF	#FFFFFF	#000000	##FFFFFF
##2728AF	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B3

Deuteranopia (green-blind)

#0039AD

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2728af;
/* rgb */ color: rgb(39, 40, 175);
/* oklch */ color: oklch(38.9% 0.204 271.4);

Tailwind

colors: {
  custom: {
    50: '#7964c8',
    500: '#2728af',
    950: '#000000',
  },
}

SCSS

$custom: #2728af;
$custom-light: #7964c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2728af",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 175
  },
  "hsl": {
    "h": 239.559,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.38912,
    "c": 0.20437,
    "h": 271.4
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#2728AF

secondary

#C6C66B

accent

#E541E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2728AF

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

Preview Lab → · Contrast checker → · Palette generator →