#2B28C4#2B28C4

#2B28C4 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.5% C 0.228 H 271.3°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B28C4
RGB	rgb(43, 40, 196)
HSL	hsl(241, 66%, 46%)
HSV	hsv(241, 80%, 77%)
CMYK	cmyk(78.1%, 79.6%, 0%, 23.1%)
CIE-LAB	lab(29.45, 52.92, -78.72)
CIE-LCH	lch(29.45, 94.86, 303.91°)
OKLab	oklab(41.48% 0.0053 -0.2279)
OKLCH	oklch(41.48% 0.228 271.3)
XYZ	xyz(11.7155, 6.0154, 52.7575)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28C4 #C1C428

analogous

#2873C4 #2B28C4 #7928C4

triadic

#2B28C4 #C42B28 #28C42B

tetradic

#2B28C4 #C42873 #C1C428 #28C479

square

#2B28C4 #C42873 #C1C428 #28C479

split-complementary

#2B28C4 #C47928 #73C428

monochromatic

#15135E #201E91 #2B28C4 #514EDB #8381E5

Accessibility & contrast

On white

9.53

#2B28C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B28C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28C4

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28C4	#FFFFFF	#000000	##FFFFFF
##2B28C4	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	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: #2b28c4;
/* rgb */ color: rgb(43, 40, 196);
/* oklch */ color: oklch(41.5% 0.228 271.3);

Tailwind

colors: {
  custom: {
    50: '#8066d7',
    500: '#2b28c4',
    950: '#000000',
  },
}

SCSS

$custom: #2b28c4;
$custom-light: #8066d7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28c4",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 196
  },
  "hsl": {
    "h": 241.154,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.41482,
    "c": 0.22794,
    "h": 271.3
  },
  "luminance": 0.06017
}

Semantic roles & 50–950 ramp

primary

#2B28C4

secondary

#CCCE7A

accent

#E93FE6

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #2B28C4

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

Preview Lab → · Contrast checker → · Palette generator →