#2B1B93#2B1B93

#2B1B93 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.181 H 277.0°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B93
RGB	rgb(43, 27, 147)
HSL	hsl(248, 69%, 34%)
HSV	hsv(248, 82%, 58%)
CMYK	cmyk(70.7%, 81.6%, 0%, 42.4%)
CIE-LAB	lab(21.59, 44.03, -62.22)
CIE-LCH	lch(21.59, 76.22, 305.28°)
OKLab	oklab(34.37% 0.0221 -0.1798)
OKLCH	oklch(34.37% 0.181 277)
XYZ	xyz(6.6529, 3.4034, 27.9044)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B93 #83931B

analogous

#1B4793 #2B1B93 #671B93

triadic

#2B1B93 #932B1B #1B932B

tetradic

#2B1B93 #931B47 #83931B #1B9367

square

#2B1B93 #931B47 #83931B #1B9367

split-complementary

#2B1B93 #93671B #47931B

monochromatic

#0D082C #1C125F #2B1B93 #3A24C7 #5E4BDE

Accessibility & contrast

On white

12.49

#2B1B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2B1B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B93

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B93	#FFFFFF	#000000	##FFFFFF
##2B1B93	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003996

Deuteranopia (green-blind)

#002F91

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1b93;
/* rgb */ color: rgb(43, 27, 147);
/* oklch */ color: oklch(34.4% 0.181 277.0);

Tailwind

colors: {
  custom: {
    50: '#755bb4',
    500: '#2b1b93',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b93;
$custom-light: #755bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b93",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 147
  },
  "hsl": {
    "h": 248,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34366,
    "c": 0.18118,
    "h": 277
  },
  "luminance": 0.03404
}

Semantic roles & 50–950 ramp

primary

#2B1B93

secondary

#B0C04A

accent

#EC3CD4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1B93

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

Preview Lab → · Contrast checker → · Palette generator →