#2A28C4#2A28C4

#2A28C4 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.4% C 0.228 H 271.1°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A28C4
RGB	rgb(42, 40, 196)
HSL	hsl(241, 66%, 46%)
HSV	hsv(241, 80%, 77%)
CMYK	cmyk(78.6%, 79.6%, 0%, 23.1%)
CIE-LAB	lab(29.40, 52.86, -78.81)
CIE-LCH	lch(29.40, 94.90, 303.85°)
OKLab	oklab(41.43% 0.0042 -0.2282)
OKLCH	oklch(41.43% 0.228 271.1)
XYZ	xyz(11.6741, 5.9940, 52.7555)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A28C4 #C2C428

analogous

#2874C4 #2A28C4 #7828C4

triadic

#2A28C4 #C42A28 #28C42A

tetradic

#2A28C4 #C42874 #C2C428 #28C478

square

#2A28C4 #C42874 #C2C428 #28C478

split-complementary

#2A28C4 #C47828 #74C428

monochromatic

#14135E #1F1E91 #2A28C4 #504EDB #8281E5

Accessibility & contrast

On white

9.55

#2A28C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2A28C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A28C4

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A28C4	#FFFFFF	#000000	##FFFFFF
##2A28C4	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	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: #2a28c4;
/* rgb */ color: rgb(42, 40, 196);
/* oklch */ color: oklch(41.4% 0.228 271.1);

Tailwind

colors: {
  custom: {
    50: '#8066d7',
    500: '#2a28c4',
    950: '#000000',
  },
}

SCSS

$custom: #2a28c4;
$custom-light: #8066d7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a28c4",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 196
  },
  "hsl": {
    "h": 240.769,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4143,
    "c": 0.2282,
    "h": 271.1
  },
  "luminance": 0.05995
}

Semantic roles & 50–950 ramp

primary

#2A28C4

secondary

#CDCE7A

accent

#E93FE7

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #2A28C4

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

Preview Lab → · Contrast checker → · Palette generator →