#2B1AA1#2B1AA1

#2B1AA1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.9% C 0.198 H 275.3°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B1AA1
RGB	rgb(43, 26, 161)
HSL	hsl(248, 72%, 37%)
HSV	hsv(248, 84%, 63%)
CMYK	cmyk(73.3%, 83.9%, 0%, 36.9%)
CIE-LAB	lab(23.08, 48.79, -68.35)
CIE-LCH	lch(23.08, 83.98, 305.52°)
OKLab	oklab(35.88% 0.0184 -0.1976)
OKLCH	oklch(35.88% 0.198 275.3)
XYZ	xyz(7.7966, 3.8248, 34.0387)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1AA1 #90A11A

analogous

#1A4CA1 #2B1AA1 #6F1AA1

triadic

#2B1AA1 #A12B1A #1AA12B

tetradic

#2B1AA1 #A11A4C #90A11A #1AA16F

square

#2B1AA1 #A11A4C #90A11A #1AA16F

split-complementary

#2B1AA1 #A16F1A #4CA11A

monochromatic

#0F0938 #1D116C #2B1AA1 #3923D6 #6552E3

Accessibility & contrast

On white

11.90

#2B1AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2B1AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1AA1

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1AA1	#FFFFFF	#000000	##FFFFFF
##2B1AA1	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00319F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1aa1;
/* rgb */ color: rgb(43, 26, 161);
/* oklch */ color: oklch(35.9% 0.198 275.3);

Tailwind

colors: {
  custom: {
    50: '#795cbe',
    500: '#2b1aa1',
    950: '#000000',
  },
}

SCSS

$custom: #2b1aa1;
$custom-light: #795cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1aa1",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 161
  },
  "hsl": {
    "h": 247.556,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35878,
    "c": 0.19845,
    "h": 275.3
  },
  "luminance": 0.03826
}

Semantic roles & 50–950 ramp

primary

#2B1AA1

secondary

#B7C651

accent

#EF39D8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B1AA1

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

Preview Lab → · Contrast checker → · Palette generator →