#2B1BB3#2B1BB3

#2B1BB3 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.1% C 0.218 H 273.4°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#2B1BB3
RGB	rgb(43, 27, 179)
HSL	hsl(246, 74%, 40%)
HSV	hsv(246, 85%, 70%)
CMYK	cmyk(76%, 84.9%, 0%, 29.8%)
CIE-LAB	lab(25.42, 53.71, -75.35)
CIE-LCH	lch(25.42, 92.53, 305.48°)
OKLab	oklab(38.11% 0.0129 -0.2179)
OKLCH	oklch(38.11% 0.218 273.4)
XYZ	xyz(9.5222, 4.5511, 43.0157)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1BB3 #A3B31B

analogous

#1B57B3 #2B1BB3 #771BB3

triadic

#2B1BB3 #B32B1B #1BB32B

tetradic

#2B1BB3 #B31B57 #A3B31B #1BB377

square

#2B1BB3 #B31B57 #A3B31B #1BB377

split-complementary

#2B1BB3 #B3771B #57B31B

monochromatic

#110B49 #1E137E #2B1BB3 #3F2CDF #6F61E7

Accessibility & contrast

On white

10.99

#2B1BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2B1BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1BB3

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1BB3	#FFFFFF	#000000	##FFFFFF
##2B1BB3	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b1bb3;
/* rgb */ color: rgb(43, 27, 179);
/* oklch */ color: oklch(38.1% 0.218 273.4);

Tailwind

colors: {
  custom: {
    50: '#7d5ecb',
    500: '#2b1bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2b1bb3;
$custom-light: #7d5ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1bb3",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 179
  },
  "hsl": {
    "h": 246.316,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38109,
    "c": 0.21825,
    "h": 273.4
  },
  "luminance": 0.04552
}

Semantic roles & 50–950 ramp

primary

#2B1BB3

secondary

#C0CC5E

accent

#F037DD

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2B1BB3

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

Preview Lab → · Contrast checker → · Palette generator →