#2828AC#2828AC

#2828AC is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.6% C 0.201 H 271.9°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#2828AC
RGB	rgb(40, 40, 172)
HSL	hsl(240, 62%, 42%)
HSV	hsv(240, 77%, 67%)
CMYK	cmyk(76.7%, 76.7%, 0%, 32.5%)
CIE-LAB	lab(26.58, 45.01, -69.22)
CIE-LCH	lch(26.58, 82.57, 303.03°)
OKLab	oklab(38.64% 0.0068 -0.2004)
OKLCH	oklch(38.64% 0.201 271.9)
XYZ	xyz(9.0777, 4.9463, 39.4980)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828AC #ACAC28

analogous

#286AAC #2828AC #6A28AC

triadic

#2828AC #AC2828 #28AC28

tetradic

#2828AC #AC286A #ACAC28 #28AC6A

square

#2828AC #AC286A #ACAC28 #28AC6A

split-complementary

#2828AC #AC6A28 #6AAC28

monochromatic

#111149 #1C1C7A #2828AC #3F3FD2 #7171DE

Accessibility & contrast

On white

10.56

#2828AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2828AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828AC

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828AC	#FFFFFF	#000000	##FFFFFF
##2828AC	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B0

Deuteranopia (green-blind)

#0038AA

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2828ac;
/* rgb */ color: rgb(40, 40, 172);
/* oklch */ color: oklch(38.6% 0.201 271.9);

Tailwind

colors: {
  custom: {
    50: '#7964c6',
    500: '#2828ac',
    950: '#000000',
  },
}

SCSS

$custom: #2828ac;
$custom-light: #7964c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2828ac",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 172
  },
  "hsl": {
    "h": 240,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.38635,
    "c": 0.2005,
    "h": 271.9
  },
  "luminance": 0.04947
}

Semantic roles & 50–950 ramp

primary

#2828AC

secondary

#C5C56B

accent

#E542E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2828AC

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

Preview Lab → · Contrast checker → · Palette generator →