#2B1B92#2B1B92

#2B1B92 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.180 H 277.1°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B92
RGB	rgb(43, 27, 146)
HSL	hsl(248, 69%, 34%)
HSV	hsv(248, 82%, 57%)
CMYK	cmyk(70.5%, 81.5%, 0%, 42.7%)
CIE-LAB	lab(21.48, 43.71, -61.80)
CIE-LCH	lch(21.48, 75.69, 305.27°)
OKLab	oklab(34.25% 0.0224 -0.1786)
OKLCH	oklch(34.25% 0.18 277.1)
XYZ	xyz(6.5748, 3.3722, 27.4930)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B92 #82921B

analogous

#1B4792 #2B1B92 #671B92

triadic

#2B1B92 #922B1B #1B922B

tetradic

#2B1B92 #921B47 #82921B #1B9267

square

#2B1B92 #921B47 #82921B #1B9267

split-complementary

#2B1B92 #92671B #47921B

monochromatic

#0D082B #1C115E #2B1B92 #3A25C6 #5E4ADE

Accessibility & contrast

On white

12.54

#2B1B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2B1B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B92

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B92	#FFFFFF	#000000	##FFFFFF
##2B1B92	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003895

Deuteranopia (green-blind)

#002E90

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1b92;
/* rgb */ color: rgb(43, 27, 146);
/* oklch */ color: oklch(34.3% 0.180 277.1);

Tailwind

colors: {
  custom: {
    50: '#755bb3',
    500: '#2b1b92',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b92;
$custom-light: #755bb3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b92",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 146
  },
  "hsl": {
    "h": 248.067,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34252,
    "c": 0.17997,
    "h": 277.1
  },
  "luminance": 0.03373
}

Semantic roles & 50–950 ramp

primary

#2B1B92

secondary

#B0BF49

accent

#EC3CD4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1B92

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

Preview Lab → · Contrast checker → · Palette generator →