#2828A7#2828A7

#2828A7 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.194 H 272.3°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#2828A7
RGB	rgb(40, 40, 167)
HSL	hsl(240, 61%, 41%)
HSV	hsv(240, 76%, 65%)
CMYK	cmyk(76%, 76%, 0%, 34.5%)
CIE-LAB	lab(26.03, 43.35, -67.11)
CIE-LCH	lch(26.03, 79.90, 302.86°)
OKLab	oklab(38.09% 0.0078 -0.1943)
OKLCH	oklch(38.09% 0.194 272.3)
XYZ	xyz(8.6066, 4.7578, 37.0165)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828A7 #A7A728

analogous

#2867A7 #2828A7 #6728A7

triadic

#2828A7 #A72828 #28A728

tetradic

#2828A7 #A72867 #A7A728 #28A767

square

#2828A7 #A72867 #A7A728 #28A767

split-complementary

#2828A7 #A76728 #67A728

monochromatic

#101044 #1C1C76 #2828A7 #3C3CD0 #6D6DDC

Accessibility & contrast

On white

10.76

#2828A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2828A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A7

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828A7	#FFFFFF	#000000	##FFFFFF
##2828A7	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AB

Deuteranopia (green-blind)

#0037A5

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2828a7;
/* rgb */ color: rgb(40, 40, 167);
/* oklch */ color: oklch(38.1% 0.194 272.3);

Tailwind

colors: {
  custom: {
    50: '#7864c2',
    500: '#2828a7',
    950: '#000000',
  },
}

SCSS

$custom: #2828a7;
$custom-light: #7864c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2828a7",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 167
  },
  "hsl": {
    "h": 240,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38086,
    "c": 0.19442,
    "h": 272.3
  },
  "luminance": 0.04759
}

Semantic roles & 50–950 ramp

primary

#2828A7

secondary

#C3C368

accent

#E443E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2828A7

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

Preview Lab → · Contrast checker → · Palette generator →