#2B28A8#2B28A8

#2B28A8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.195 H 273.3°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#2B28A8
RGB	rgb(43, 40, 168)
HSL	hsl(241, 62%, 41%)
HSV	hsv(241, 76%, 66%)
CMYK	cmyk(74.4%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(26.32, 43.94, -67.23)
CIE-LCH	lch(26.32, 80.32, 303.17°)
OKLab	oklab(38.37% 0.0112 -0.1945)
OKLCH	oklch(38.37% 0.195 273.3)
XYZ	xyz(8.8206, 4.8574, 37.5109)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28A8 #A5A828

analogous

#2865A8 #2B28A8 #6B28A8

triadic

#2B28A8 #A82B28 #28A82B

tetradic

#2B28A8 #A82865 #A5A828 #28A86B

square

#2B28A8 #A82865 #A5A828 #28A86B

split-complementary

#2B28A8 #A86B28 #65A828

monochromatic

#121045 #1E1C77 #2B28A8 #403DD1 #716EDC

Accessibility & contrast

On white

10.65

#2B28A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B28A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28A8

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28A8	#FFFFFF	#000000	##FFFFFF
##2B28A8	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0038A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b28a8;
/* rgb */ color: rgb(43, 40, 168);
/* oklch */ color: oklch(38.4% 0.195 273.3);

Tailwind

colors: {
  custom: {
    50: '#7964c3',
    500: '#2b28a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b28a8;
$custom-light: #7964c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28a8",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 241.406,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38373,
    "c": 0.19485,
    "h": 273.3
  },
  "luminance": 0.04858
}

Semantic roles & 50–950 ramp

primary

#2B28A8

secondary

#C1C369

accent

#E543E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2B28A8

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

Preview Lab → · Contrast checker → · Palette generator →