#2828BC#2828BC

#2828BC is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.4% C 0.219 H 271.0°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#2828BC
RGB	rgb(40, 40, 188)
HSL	hsl(240, 65%, 45%)
HSV	hsv(240, 79%, 74%)
CMYK	cmyk(78.7%, 78.7%, 0%, 26.3%)
CIE-LAB	lab(28.38, 50.21, -75.79)
CIE-LCH	lch(28.38, 90.92, 303.52°)
OKLab	oklab(40.42% 0.0037 -0.2194)
OKLCH	oklch(40.42% 0.219 271)
XYZ	xyz(10.7079, 5.5983, 48.0834)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828BC #BCBC28

analogous

#2872BC #2828BC #7228BC

triadic

#2828BC #BC2828 #28BC28

tetradic

#2828BC #BC2872 #BCBC28 #28BC72

square

#2828BC #BC2872 #BCBC28 #28BC72

split-complementary

#2828BC #BC7228 #72BC28

monochromatic

#131357 #1D1D8A #2828BC #4949D8 #7B7BE3

Accessibility & contrast

On white

9.91

#2828BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2828BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828BC

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828BC	#FFFFFF	#000000	##FFFFFF
##2828BC	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC0

Deuteranopia (green-blind)

#003BB9

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2828bc;
/* rgb */ color: rgb(40, 40, 188);
/* oklch */ color: oklch(40.4% 0.219 271.0);

Tailwind

colors: {
  custom: {
    50: '#7d65d2',
    500: '#2828bc',
    950: '#000000',
  },
}

SCSS

$custom: #2828bc;
$custom-light: #7d65d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2828bc",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 188
  },
  "hsl": {
    "h": 240,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.40421,
    "c": 0.21948,
    "h": 271
  },
  "luminance": 0.056
}

Semantic roles & 50–950 ramp

primary

#2828BC

secondary

#CBCB75

accent

#E840E8

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2828BC

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

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