#2B1A8B#2B1A8B

#2B1A8B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.172 H 278.3°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A8B
RGB	rgb(43, 26, 139)
HSL	hsl(249, 68%, 32%)
HSV	hsv(249, 81%, 55%)
CMYK	cmyk(69.1%, 81.3%, 0%, 45.5%)
CIE-LAB	lab(20.50, 42.02, -59.05)
CIE-LCH	lch(20.50, 72.47, 305.43°)
OKLab	oklab(33.34% 0.0249 -0.1706)
OKLCH	oklch(33.34% 0.172 278.3)
XYZ	xyz(6.0244, 3.1159, 24.7051)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A8B #7A8B1A

analogous

#1A418B #2B1A8B #641A8B

triadic

#2B1A8B #8B2B1A #1A8B2B

tetradic

#2B1A8B #8B1A41 #7A8B1A #1A8B64

square

#2B1A8B #8B1A41 #7A8B1A #1A8B64

split-complementary

#2B1A8B #8B641A #418B1A

monochromatic

#0B0724 #1B1057 #2B1A8B #3B24BF #5A43DC

Accessibility & contrast

On white

12.94

#2B1A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B1A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A8B

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A8B	#FFFFFF	#000000	##FFFFFF
##2B1A8B	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b1a8b;
/* rgb */ color: rgb(43, 26, 139);
/* oklch */ color: oklch(33.3% 0.172 278.3);

Tailwind

colors: {
  custom: {
    50: '#745aae',
    500: '#2b1a8b',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a8b;
$custom-light: #745aae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a8b",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 139
  },
  "hsl": {
    "h": 249.027,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33339,
    "c": 0.17238,
    "h": 278.3
  },
  "luminance": 0.03116
}

Semantic roles & 50–950 ramp

primary

#2B1A8B

secondary

#ABBD44

accent

#EB3CD1

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1A8B

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

Preview Lab → · Contrast checker → · Palette generator →