#2B28AB#2B28AB

#2B28AB is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.7% C 0.199 H 273.0°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B28AB
RGB	rgb(43, 40, 171)
HSL	hsl(241, 62%, 41%)
HSV	hsv(241, 77%, 67%)
CMYK	cmyk(74.9%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(26.65, 44.93, -68.50)
CIE-LCH	lch(26.65, 81.92, 303.26°)
OKLab	oklab(38.7% 0.0106 -0.1982)
OKLCH	oklch(38.7% 0.199 273)
XYZ	xyz(9.1033, 4.9705, 38.9998)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28AB #A8AB28

analogous

#2867AB #2B28AB #6D28AB

triadic

#2B28AB #AB2B28 #28AB2B

tetradic

#2B28AB #AB2867 #A8AB28 #28AB6D

square

#2B28AB #AB2867 #A8AB28 #28AB6D

split-complementary

#2B28AB #AB6D28 #67AB28

monochromatic

#121148 #1F1C79 #2B28AB #423ED2 #7270DE

Accessibility & contrast

On white

10.53

#2B28AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2B28AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28AB

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28AB	#FFFFFF	#000000	##FFFFFF
##2B28AB	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AF

Deuteranopia (green-blind)

#0039A9

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b28ab;
/* rgb */ color: rgb(43, 40, 171);
/* oklch */ color: oklch(38.7% 0.199 273.0);

Tailwind

colors: {
  custom: {
    50: '#7a64c5',
    500: '#2b28ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b28ab;
$custom-light: #7a64c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28ab",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 241.374,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38699,
    "c": 0.1985,
    "h": 273
  },
  "luminance": 0.04971
}

Semantic roles & 50–950 ramp

primary

#2B28AB

secondary

#C2C46A

accent

#E543E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2B28AB

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

Preview Lab → · Contrast checker → · Palette generator →