#2728A8#2728A8

#2728A8 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.196 H 271.9°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#2728A8
RGB	rgb(39, 40, 168)
HSL	hsl(240, 62%, 41%)
HSV	hsv(240, 77%, 66%)
CMYK	cmyk(76.8%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(26.08, 43.60, -67.64)
CIE-LCH	lch(26.08, 80.47, 302.81°)
OKLab	oklab(38.14% 0.0064 -0.1958)
OKLCH	oklch(38.14% 0.196 271.9)
XYZ	xyz(8.6610, 4.7751, 37.5034)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728A8 #A8A727

analogous

#2768A8 #2728A8 #6627A8

triadic

#2728A8 #A82728 #28A827

tetradic

#2728A8 #A82768 #A8A727 #27A866

square

#2728A8 #A82768 #A8A727 #27A866

split-complementary

#2728A8 #A86627 #68A827

monochromatic

#101045 #1B1C76 #2728A8 #3B3CD1 #6C6DDD

Accessibility & contrast

On white

10.74

#2728A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2728A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728A8

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728A8	#FFFFFF	#000000	##FFFFFF
##2728A8	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2728a8;
/* rgb */ color: rgb(39, 40, 168);
/* oklch */ color: oklch(38.1% 0.196 271.9);

Tailwind

colors: {
  custom: {
    50: '#7864c3',
    500: '#2728a8',
    950: '#000000',
  },
}

SCSS

$custom: #2728a8;
$custom-light: #7864c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2728a8",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 239.535,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38139,
    "c": 0.1959,
    "h": 271.9
  },
  "luminance": 0.04776
}

Semantic roles & 50–950 ramp

primary

#2728A8

secondary

#C3C367

accent

#E442E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2728A8

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

Preview Lab → · Contrast checker → · Palette generator →