#2B1899#2B1899

#2B1899 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.191 H 276.5°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B1899
RGB	rgb(43, 24, 153)
HSL	hsl(249, 73%, 35%)
HSV	hsv(249, 84%, 60%)
CMYK	cmyk(71.9%, 84.3%, 0%, 40%)
CIE-LAB	lab(21.82, 47.26, -65.55)
CIE-LCH	lch(21.82, 80.81, 305.79°)
OKLab	oklab(34.73% 0.0215 -0.1894)
OKLCH	oklch(34.73% 0.191 276.5)
XYZ	xyz(7.0708, 3.4661, 30.4272)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1899 #869918

analogous

#184699 #2B1899 #6B1899

triadic

#2B1899 #992B18 #18992B

tetradic

#2B1899 #991846 #869918 #18996B

square

#2B1899 #991846 #869918 #18996B

split-complementary

#2B1899 #996B18 #469918

monochromatic

#0D072F #1C1064 #2B1899 #3A20CE #6049E2

Accessibility & contrast

On white

12.40

#2B1899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2B1899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1899

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1899	#FFFFFF	#000000	##FFFFFF
##2B1899	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399C

Deuteranopia (green-blind)

#002F97

Tritanopia (blue-blind)

#00415A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1899;
/* rgb */ color: rgb(43, 24, 153);
/* oklch */ color: oklch(34.7% 0.191 276.5);

Tailwind

colors: {
  custom: {
    50: '#775ab8',
    500: '#2b1899',
    950: '#000000',
  },
}

SCSS

$custom: #2b1899;
$custom-light: #775ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1899",
  "rgb": {
    "r": 43,
    "g": 24,
    "b": 153
  },
  "hsl": {
    "h": 248.837,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3473,
    "c": 0.19064,
    "h": 276.5
  },
  "luminance": 0.03467
}

Semantic roles & 50–950 ramp

primary

#2B1899

secondary

#B2C449

accent

#F038D5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1899

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

Preview Lab → · Contrast checker → · Palette generator →