#2728A6#2728A6

#2728A6 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.193 H 272.0°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#2728A6
RGB	rgb(39, 40, 166)
HSL	hsl(240, 62%, 40%)
HSV	hsv(240, 77%, 65%)
CMYK	cmyk(76.5%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(25.87, 42.93, -66.79)
CIE-LCH	lch(25.87, 79.40, 302.73°)
OKLab	oklab(37.92% 0.0068 -0.1933)
OKLCH	oklch(37.92% 0.193 272)
XYZ	xyz(8.4761, 4.7012, 36.5297)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728A6 #A6A527

analogous

#2767A6 #2728A6 #6627A6

triadic

#2728A6 #A62728 #28A627

tetradic

#2728A6 #A62767 #A6A527 #27A666

square

#2728A6 #A62767 #A6A527 #27A666

split-complementary

#2728A6 #A66627 #67A627

monochromatic

#101043 #1B1C74 #2728A6 #3A3BD1 #6B6CDC

Accessibility & contrast

On white

10.82

#2728A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2728A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728A6

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728A6	#FFFFFF	#000000	##FFFFFF
##2728A6	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AA

Deuteranopia (green-blind)

#0037A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2728a6;
/* rgb */ color: rgb(39, 40, 166);
/* oklch */ color: oklch(37.9% 0.193 272.0);

Tailwind

colors: {
  custom: {
    50: '#7764c2',
    500: '#2728a6',
    950: '#000000',
  },
}

SCSS

$custom: #2728a6;
$custom-light: #7764c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2728a6",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 239.528,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3792,
    "c": 0.19345,
    "h": 272
  },
  "luminance": 0.04702
}

Semantic roles & 50–950 ramp

primary

#2728A6

secondary

#C3C266

accent

#E443E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2728A6

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

Preview Lab → · Contrast checker → · Palette generator →