#2B1B94#2B1B94

#2B1B94 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.5% C 0.182 H 276.9°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B94
RGB	rgb(43, 27, 148)
HSL	hsl(248, 69%, 34%)
HSV	hsv(248, 82%, 58%)
CMYK	cmyk(70.9%, 81.8%, 0%, 42%)
CIE-LAB	lab(21.71, 44.34, -62.65)
CIE-LCH	lch(21.71, 76.75, 305.29°)
OKLab	oklab(34.48% 0.0218 -0.1811)
OKLCH	oklch(34.48% 0.182 276.9)
XYZ	xyz(6.7317, 3.4350, 28.3195)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B94 #84941B

analogous

#1B4894 #2B1B94 #681B94

triadic

#2B1B94 #942B1B #1B942B

tetradic

#2B1B94 #941B48 #84941B #1B9468

square

#2B1B94 #941B48 #84941B #1B9468

split-complementary

#2B1B94 #94681B #48941B

monochromatic

#0D082C #1C1260 #2B1B94 #3A24C8 #5F4BDE

Accessibility & contrast

On white

12.45

#2B1B94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2B1B94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B94

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B94	#FFFFFF	#000000	##FFFFFF
##2B1B94	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002F92

Tritanopia (blue-blind)

#004058

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1b94;
/* rgb */ color: rgb(43, 27, 148);
/* oklch */ color: oklch(34.5% 0.182 276.9);

Tailwind

colors: {
  custom: {
    50: '#765bb5',
    500: '#2b1b94',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b94;
$custom-light: #765bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b94",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 148
  },
  "hsl": {
    "h": 247.934,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3448,
    "c": 0.18237,
    "h": 276.9
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#2B1B94

secondary

#B1C04B

accent

#EC3CD5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1B94

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

Preview Lab → · Contrast checker → · Palette generator →