#2728A3#2728A3

#2728A3 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.190 H 272.2°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#2728A3
RGB	rgb(39, 40, 163)
HSL	hsl(240, 61%, 40%)
HSV	hsv(240, 76%, 64%)
CMYK	cmyk(76.1%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(25.54, 41.92, -65.51)
CIE-LCH	lch(25.54, 77.77, 302.61°)
OKLab	oklab(37.59% 0.0073 -0.1896)
OKLCH	oklch(37.59% 0.19 272.2)
XYZ	xyz(8.2041, 4.5924, 35.0973)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728A3 #A3A227

analogous

#2766A3 #2728A3 #6427A3

triadic

#2728A3 #A32728 #28A327

tetradic

#2728A3 #A32766 #A3A227 #27A364

square

#2728A3 #A32766 #A3A227 #27A364

split-complementary

#2728A3 #A36427 #66A327

monochromatic

#0F1040 #1B1C72 #2728A3 #3839CF #696ADB

Accessibility & contrast

On white

10.95

#2728A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2728A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728A3

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728A3	#FFFFFF	#000000	##FFFFFF
##2728A3	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A7

Deuteranopia (green-blind)

#0036A1

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2728a3;
/* rgb */ color: rgb(39, 40, 163);
/* oklch */ color: oklch(37.6% 0.190 272.2);

Tailwind

colors: {
  custom: {
    50: '#7664c0',
    500: '#2728a3',
    950: '#000000',
  },
}

SCSS

$custom: #2728a3;
$custom-light: #7664c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2728a3",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 239.516,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37593,
    "c": 0.18975,
    "h": 272.2
  },
  "luminance": 0.04593
}

Semantic roles & 50–950 ramp

primary

#2728A3

secondary

#C1C164

accent

#E343E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2728A3

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

Preview Lab → · Contrast checker → · Palette generator →