#2828A6#2828A6

#2828A6 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.0% C 0.193 H 272.4°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#2828A6
RGB	rgb(40, 40, 166)
HSL	hsl(240, 61%, 40%)
HSV	hsv(240, 76%, 65%)
CMYK	cmyk(75.9%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(25.92, 43.01, -66.69)
CIE-LCH	lch(25.92, 79.36, 302.82°)
OKLab	oklab(37.98% 0.008 -0.193)
OKLCH	oklch(37.98% 0.193 272.4)
XYZ	xyz(8.5145, 4.7210, 36.5315)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828A6 #A6A628

analogous

#2867A6 #2828A6 #6728A6

triadic

#2828A6 #A62828 #28A628

tetradic

#2828A6 #A62867 #A6A628 #28A667

square

#2828A6 #A62867 #A6A628 #28A667

split-complementary

#2828A6 #A66728 #67A628

monochromatic

#101043 #1C1C75 #2828A6 #3B3BD0 #6D6DDC

Accessibility & contrast

On white

10.80

#2828A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2828A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A6

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828A6	#FFFFFF	#000000	##FFFFFF
##2828A6	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	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: #2828a6;
/* rgb */ color: rgb(40, 40, 166);
/* oklch */ color: oklch(38.0% 0.193 272.4);

Tailwind

colors: {
  custom: {
    50: '#7864c2',
    500: '#2828a6',
    950: '#000000',
  },
}

SCSS

$custom: #2828a6;
$custom-light: #7864c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2828a6",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 240,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.37977,
    "c": 0.19318,
    "h": 272.4
  },
  "luminance": 0.04722
}

Semantic roles & 50–950 ramp

primary

#2828A6

secondary

#C2C267

accent

#E444E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2828A6

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

Preview Lab → · Contrast checker → · Palette generator →