#2B1A99#2B1A99

#2B1A99 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.189 H 276.3°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A99
RGB	rgb(43, 26, 153)
HSL	hsl(248, 71%, 35%)
HSV	hsv(248, 83%, 60%)
CMYK	cmyk(71.9%, 83%, 0%, 40%)
CIE-LAB	lab(22.13, 46.36, -65.04)
CIE-LCH	lch(22.13, 79.87, 305.48°)
OKLab	oklab(34.94% 0.0208 -0.188)
OKLCH	oklch(34.94% 0.189 276.3)
XYZ	xyz(7.1135, 3.5516, 30.4415)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A99 #88991A

analogous

#1A4999 #2B1A99 #6A1A99

triadic

#2B1A99 #992B1A #1A992B

tetradic

#2B1A99 #991A49 #88991A #1A996A

square

#2B1A99 #991A49 #88991A #1A996A

split-complementary

#2B1A99 #996A1A #49991A

monochromatic

#0E0830 #1C1165 #2B1A99 #3A23CD #614DE1

Accessibility & contrast

On white

12.28

#2B1A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2B1A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A99

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A99	#FFFFFF	#000000	##FFFFFF
##2B1A99	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9C

Deuteranopia (green-blind)

#002F97

Tritanopia (blue-blind)

#00425B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b1a99;
/* rgb */ color: rgb(43, 26, 153);
/* oklch */ color: oklch(34.9% 0.189 276.3);

Tailwind

colors: {
  custom: {
    50: '#775bb8',
    500: '#2b1a99',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a99;
$custom-light: #775bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a99",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 153
  },
  "hsl": {
    "h": 248.031,
    "s": 70.95,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34943,
    "c": 0.18912,
    "h": 276.3
  },
  "luminance": 0.03552
}

Semantic roles & 50–950 ramp

primary

#2B1A99

secondary

#B3C34C

accent

#EE3AD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1A99

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

Preview Lab → · Contrast checker → · Palette generator →