#2828A8#2828A8

#2828A8 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.196 H 272.2°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#2828A8
RGB	rgb(40, 40, 168)
HSL	hsl(240, 62%, 41%)
HSV	hsv(240, 76%, 66%)
CMYK	cmyk(76.2%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(26.14, 43.68, -67.54)
CIE-LCH	lch(26.14, 80.43, 302.89°)
OKLab	oklab(38.2% 0.0076 -0.1955)
OKLCH	oklch(38.2% 0.196 272.2)
XYZ	xyz(8.6994, 4.7949, 37.5052)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828A8 #A8A828

analogous

#2868A8 #2828A8 #6828A8

triadic

#2828A8 #A82828 #28A828

tetradic

#2828A8 #A82868 #A8A828 #28A868

square

#2828A8 #A82868 #A8A828 #28A868

split-complementary

#2828A8 #A86828 #68A828

monochromatic

#101045 #1C1C77 #2828A8 #3D3DD1 #6E6EDC

Accessibility & contrast

On white

10.72

#2828A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2828A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A8

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828A8	#FFFFFF	#000000	##FFFFFF
##2828A8	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	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: #2828a8;
/* rgb */ color: rgb(40, 40, 168);
/* oklch */ color: oklch(38.2% 0.196 272.2);

Tailwind

colors: {
  custom: {
    50: '#7864c3',
    500: '#2828a8',
    950: '#000000',
  },
}

SCSS

$custom: #2828a8;
$custom-light: #7864c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2828a8",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 240,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38195,
    "c": 0.19564,
    "h": 272.2
  },
  "luminance": 0.04796
}

Semantic roles & 50–950 ramp

primary

#2828A8

secondary

#C3C369

accent

#E543E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2828A8

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

Preview Lab → · Contrast checker → · Palette generator →