#2B28C5#2B28C5

#2B28C5 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.6% C 0.229 H 271.3°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B28C5
RGB	rgb(43, 40, 197)
HSL	hsl(241, 66%, 46%)
HSV	hsv(241, 80%, 77%)
CMYK	cmyk(78.2%, 79.7%, 0%, 22.7%)
CIE-LAB	lab(29.57, 53.23, -79.12)
CIE-LCH	lch(29.57, 95.36, 303.93°)
OKLab	oklab(41.6% 0.0051 -0.229)
OKLCH	oklch(41.6% 0.229 271.3)
XYZ	xyz(11.8297, 6.0611, 53.3589)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28C5 #C2C528

analogous

#2874C5 #2B28C5 #7928C5

triadic

#2B28C5 #C52B28 #28C52B

tetradic

#2B28C5 #C52874 #C2C528 #28C579

square

#2B28C5 #C52874 #C2C528 #28C579

split-complementary

#2B28C5 #C57928 #74C528

monochromatic

#15135F #201E92 #2B28C5 #524FDB #8482E6

Accessibility & contrast

On white

9.49

#2B28C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2B28C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28C5

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28C5	#FFFFFF	#000000	##FFFFFF
##2B28C5	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DC9

Deuteranopia (green-blind)

#003EC2

Tritanopia (blue-blind)

#005977

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b28c5;
/* rgb */ color: rgb(43, 40, 197);
/* oklch */ color: oklch(41.6% 0.229 271.3);

Tailwind

colors: {
  custom: {
    50: '#8066d8',
    500: '#2b28c5',
    950: '#000000',
  },
}

SCSS

$custom: #2b28c5;
$custom-light: #8066d8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28c5",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 197
  },
  "hsl": {
    "h": 241.146,
    "s": 66.245,
    "l": 46.471
  },
  "oklch": {
    "l": 0.41595,
    "c": 0.22909,
    "h": 271.3
  },
  "luminance": 0.06062
}

Semantic roles & 50–950 ramp

primary

#2B28C5

secondary

#CDCE7A

accent

#E93FE6

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #2B28C5

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

Preview Lab → · Contrast checker → · Palette generator →