#2828C4#2828C4

#2828C4 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.3% C 0.229 H 270.5°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#2828C4
RGB	rgb(40, 40, 196)
HSL	hsl(240, 66%, 46%)
HSV	hsv(240, 80%, 77%)
CMYK	cmyk(79.6%, 79.6%, 0%, 23.1%)
CIE-LAB	lab(29.29, 52.74, -78.99)
CIE-LCH	lch(29.29, 94.98, 303.73°)
OKLab	oklab(41.33% 0.0021 -0.2287)
OKLCH	oklch(41.33% 0.229 270.5)
XYZ	xyz(11.5943, 5.9529, 52.7518)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828C4 #C4C428

analogous

#2876C4 #2828C4 #7628C4

triadic

#2828C4 #C42828 #28C428

tetradic

#2828C4 #C42876 #C4C428 #28C476

square

#2828C4 #C42876 #C4C428 #28C476

split-complementary

#2828C4 #C47628 #76C428

monochromatic

#13135E #1E1E91 #2828C4 #4E4EDB #8181E5

Accessibility & contrast

On white

9.59

#2828C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2828C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828C4

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828C4	#FFFFFF	#000000	##FFFFFF
##2828C4	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DC8

Deuteranopia (green-blind)

#003DC1

Tritanopia (blue-blind)

#005976

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2828c4;
/* rgb */ color: rgb(40, 40, 196);
/* oklch */ color: oklch(41.3% 0.229 270.5);

Tailwind

colors: {
  custom: {
    50: '#7f66d7',
    500: '#2828c4',
    950: '#000000',
  },
}

SCSS

$custom: #2828c4;
$custom-light: #7f66d7;
$custom-dark: #000000;

JSON

{
  "hex": "#2828c4",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 196
  },
  "hsl": {
    "h": 240,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.41329,
    "c": 0.22871,
    "h": 270.5
  },
  "luminance": 0.05954
}

Semantic roles & 50–950 ramp

primary

#2828C4

secondary

#CECE7A

accent

#E93FE9

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #2828C4

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

Preview Lab → · Contrast checker → · Palette generator →