#2728AE#2728AE

#2728AE is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 38.8% C 0.203 H 271.5°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#2728AE
RGB	rgb(39, 40, 174)
HSL	hsl(240, 63%, 42%)
HSV	hsv(240, 78%, 68%)
CMYK	cmyk(77.6%, 77%, 0%, 31.8%)
CIE-LAB	lab(26.75, 45.60, -70.15)
CIE-LCH	lch(26.75, 83.67, 303.02°)
OKLab	oklab(38.8% 0.0053 -0.2031)
OKLCH	oklch(38.8% 0.203 271.5)
XYZ	xyz(9.2329, 5.0039, 40.5154)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728AE #AEAD27

analogous

#276BAE #2728AE #6A27AE

triadic

#2728AE #AE2728 #28AE27

tetradic

#2728AE #AE276B #AEAD27 #27AE6A

square

#2728AE #AE276B #AEAD27 #27AE6A

split-complementary

#2728AE #AE6A27 #6BAE27

monochromatic

#11114A #1C1D7C #2728AE #3E3FD4 #7071DF

Accessibility & contrast

On white

10.49

#2728AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2728AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728AE

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728AE	#FFFFFF	#000000	##FFFFFF
##2728AE	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B2

Deuteranopia (green-blind)

#0038AC

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2728ae;
/* rgb */ color: rgb(39, 40, 174);
/* oklch */ color: oklch(38.8% 0.203 271.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#2728ae",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 174
  },
  "hsl": {
    "h": 239.556,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.38801,
    "c": 0.20317,
    "h": 271.5
  },
  "luminance": 0.05005
}

Semantic roles & 50–950 ramp

primary

#2728AE

secondary

#C6C56B

accent

#E541E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2728AE

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

Preview Lab → · Contrast checker → · Palette generator →