#2B1BA1#2B1BA1

#2B1BA1 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.198 H 275.2°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#2B1BA1
RGB	rgb(43, 27, 161)
HSL	hsl(247, 71%, 37%)
HSV	hsv(247, 83%, 63%)
CMYK	cmyk(73.3%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(23.24, 48.34, -68.10)
CIE-LCH	lch(23.24, 83.51, 305.37°)
OKLab	oklab(35.98% 0.0181 -0.1969)
OKLCH	oklch(35.98% 0.198 275.2)
XYZ	xyz(7.8191, 3.8699, 34.0462)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1BA1 #91A11B

analogous

#1B4EA1 #2B1BA1 #6E1BA1

triadic

#2B1BA1 #A12B1B #1BA12B

tetradic

#2B1BA1 #A11B4E #91A11B #1BA16E

square

#2B1BA1 #A11B4E #91A11B #1BA16E

split-complementary

#2B1BA1 #A16E1B #4EA11B

monochromatic

#0F0938 #1D126D #2B1BA1 #3924D5 #6554E2

Accessibility & contrast

On white

11.84

#2B1BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2B1BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1BA1

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1BA1	#FFFFFF	#000000	##FFFFFF
##2B1BA1	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00319F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1ba1;
/* rgb */ color: rgb(43, 27, 161);
/* oklch */ color: oklch(36.0% 0.198 275.2);

Tailwind

colors: {
  custom: {
    50: '#795cbe',
    500: '#2b1ba1',
    950: '#000000',
  },
}

SCSS

$custom: #2b1ba1;
$custom-light: #795cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1ba1",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 247.164,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35983,
    "c": 0.1977,
    "h": 275.2
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#2B1BA1

secondary

#B8C552

accent

#EE3AD9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B1BA1

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

Preview Lab → · Contrast checker → · Palette generator →