#2B28A1#2B28A1

#2B28A1 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.186 H 273.9°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B28A1
RGB	rgb(43, 40, 161)
HSL	hsl(241, 60%, 39%)
HSV	hsv(241, 75%, 63%)
CMYK	cmyk(73.3%, 75.2%, 0%, 36.9%)
CIE-LAB	lab(25.57, 41.61, -64.23)
CIE-LCH	lch(25.57, 76.53, 302.93°)
OKLab	oklab(37.62% 0.0125 -0.1858)
OKLCH	oklch(37.62% 0.186 273.9)
XYZ	xyz(8.1859, 4.6036, 34.1685)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28A1 #9EA128

analogous

#2861A1 #2B28A1 #6828A1

triadic

#2B28A1 #A12B28 #28A12B

tetradic

#2B28A1 #A12861 #9EA128 #28A168

square

#2B28A1 #A12861 #9EA128 #28A168

split-complementary

#2B28A1 #A16828 #61A128

monochromatic

#11103F #1E1C70 #2B28A1 #3C39CE #6C6ADA

Accessibility & contrast

On white

10.93

#2B28A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B28A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28A1

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28A1	#FFFFFF	#000000	##FFFFFF
##2B28A1	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b28a1;
/* rgb */ color: rgb(43, 40, 161);
/* oklch */ color: oklch(37.6% 0.186 273.9);

Tailwind

colors: {
  custom: {
    50: '#7764be',
    500: '#2b28a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b28a1;
$custom-light: #7764be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28a1",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 161
  },
  "hsl": {
    "h": 241.488,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37619,
    "c": 0.18622,
    "h": 273.9
  },
  "luminance": 0.04604
}

Semantic roles & 50–950 ramp

primary

#2B28A1

secondary

#BEC065

accent

#E344DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2B28A1

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

Preview Lab → · Contrast checker → · Palette generator →