#2728A5#2728A5

#2728A5 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.8% C 0.192 H 272.1°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#2728A5
RGB	rgb(39, 40, 165)
HSL	hsl(240, 62%, 40%)
HSV	hsv(240, 76%, 65%)
CMYK	cmyk(76.4%, 75.8%, 0%, 35.3%)
CIE-LAB	lab(25.76, 42.59, -66.36)
CIE-LCH	lch(25.76, 78.86, 302.69°)
OKLab	oklab(37.81% 0.007 -0.1921)
OKLCH	oklch(37.81% 0.192 272.1)
XYZ	xyz(8.3847, 4.6646, 36.0485)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728A5 #A5A427

analogous

#2767A5 #2728A5 #6527A5

triadic

#2728A5 #A52728 #28A527

tetradic

#2728A5 #A52767 #A5A427 #27A565

square

#2728A5 #A52767 #A5A427 #27A565

split-complementary

#2728A5 #A56527 #67A527

monochromatic

#101042 #1B1C74 #2728A5 #393AD0 #6A6BDC

Accessibility & contrast

On white

10.86

#2728A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2728A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728A5

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728A5	#FFFFFF	#000000	##FFFFFF
##2728A5	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A9

Deuteranopia (green-blind)

#0037A3

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2728a5;
/* rgb */ color: rgb(39, 40, 165);
/* oklch */ color: oklch(37.8% 0.192 272.1);

Tailwind

colors: {
  custom: {
    50: '#7764c1',
    500: '#2728a5',
    950: '#000000',
  },
}

SCSS

$custom: #2728a5;
$custom-light: #7764c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2728a5",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 165
  },
  "hsl": {
    "h": 239.524,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.3781,
    "c": 0.19222,
    "h": 272.1
  },
  "luminance": 0.04666
}

Semantic roles & 50–950 ramp

primary

#2728A5

secondary

#C2C166

accent

#E443E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2728A5

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

Preview Lab → · Contrast checker → · Palette generator →