#2B1A9B#2B1A9B

#2B1A9B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.2% C 0.191 H 276.1°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A9B
RGB	rgb(43, 26, 155)
HSL	hsl(248, 71%, 35%)
HSV	hsv(248, 83%, 61%)
CMYK	cmyk(72.3%, 83.2%, 0%, 39.2%)
CIE-LAB	lab(22.37, 46.97, -65.87)
CIE-LCH	lch(22.37, 80.90, 305.49°)
OKLab	oklab(35.18% 0.0202 -0.1904)
OKLCH	oklch(35.18% 0.191 276.1)
XYZ	xyz(7.2801, 3.6182, 31.3187)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A9B #8A9B1A

analogous

#1A499B #2B1A9B #6B1A9B

triadic

#2B1A9B #9B2B1A #1A9B2B

tetradic

#2B1A9B #9B1A49 #8A9B1A #1A9B6B

square

#2B1A9B #9B1A49 #8A9B1A #1A9B6B

split-complementary

#2B1A9B #9B6B1A #499B1A

monochromatic

#0E0832 #1C1167 #2B1A9B #3A23CF #614EE1

Accessibility & contrast

On white

12.18

#2B1A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2B1A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A9B

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A9B	#FFFFFF	#000000	##FFFFFF
##2B1A9B	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b1a9b;
/* rgb */ color: rgb(43, 26, 155);
/* oklch */ color: oklch(35.2% 0.191 276.1);

Tailwind

colors: {
  custom: {
    50: '#775bba',
    500: '#2b1a9b',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a9b;
$custom-light: #775bba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a9b",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 155
  },
  "hsl": {
    "h": 247.907,
    "s": 71.271,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35176,
    "c": 0.19146,
    "h": 276.1
  },
  "luminance": 0.03619
}

Semantic roles & 50–950 ramp

primary

#2B1A9B

secondary

#B4C44D

accent

#EE3AD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1A9B

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

Preview Lab → · Contrast checker → · Palette generator →