#2B1CA1#2B1CA1

#2B1CA1 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.1% C 0.197 H 275.2°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B1CA1
RGB	rgb(43, 28, 161)
HSL	hsl(247, 70%, 37%)
HSV	hsv(247, 83%, 63%)
CMYK	cmyk(73.3%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(23.39, 47.87, -67.84)
CIE-LCH	lch(23.39, 83.03, 305.21°)
OKLab	oklab(36.09% 0.0177 -0.1961)
OKLCH	oklch(36.09% 0.197 275.2)
XYZ	xyz(7.8424, 3.9165, 34.0540)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1CA1 #92A11C

analogous

#1C50A1 #2B1CA1 #6E1CA1

triadic

#2B1CA1 #A12B1C #1CA12B

tetradic

#2B1CA1 #A11C50 #92A11C #1CA16E

square

#2B1CA1 #A11C50 #92A11C #1CA16E

split-complementary

#2B1CA1 #A16E1C #50A11C

monochromatic

#0F0A39 #1D136D #2B1CA1 #3925D5 #6656E2

Accessibility & contrast

On white

11.78

#2B1CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2B1CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1CA1

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1CA1	#FFFFFF	#000000	##FFFFFF
##2B1CA1	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00329F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b1ca1;
/* rgb */ color: rgb(43, 28, 161);
/* oklch */ color: oklch(36.1% 0.197 275.2);

Tailwind

colors: {
  custom: {
    50: '#785dbe',
    500: '#2b1ca1',
    950: '#000000',
  },
}

SCSS

$custom: #2b1ca1;
$custom-light: #785dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1ca1",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 246.767,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36091,
    "c": 0.19693,
    "h": 275.2
  },
  "luminance": 0.03917
}

Semantic roles & 50–950 ramp

primary

#2B1CA1

secondary

#B8C554

accent

#ED3BD9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B1CA1

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

Preview Lab → · Contrast checker → · Palette generator →