#2B1DB3#2B1DB3

#2B1DB3 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.3% C 0.217 H 273.3°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B1DB3
RGB	rgb(43, 29, 179)
HSL	hsl(246, 72%, 41%)
HSV	hsv(246, 84%, 70%)
CMYK	cmyk(76%, 83.8%, 0%, 29.8%)
CIE-LAB	lab(25.70, 52.86, -74.87)
CIE-LCH	lch(25.70, 91.65, 305.22°)
OKLab	oklab(38.31% 0.0124 -0.2165)
OKLCH	oklch(38.31% 0.217 273.3)
XYZ	xyz(9.5696, 4.6460, 43.0315)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1DB3 #A5B31D

analogous

#1D5AB3 #2B1DB3 #761DB3

triadic

#2B1DB3 #B32B1D #1DB32B

tetradic

#2B1DB3 #B31D5A #A5B31D #1DB376

square

#2B1DB3 #B31D5A #A5B31D #1DB376

split-complementary

#2B1DB3 #B3761D #5AB31D

monochromatic

#120C4A #1E147E #2B1DB3 #4030DD #7164E6

Accessibility & contrast

On white

10.88

#2B1DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B1DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1DB3

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1DB3	#FFFFFF	#000000	##FFFFFF
##2B1DB3	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B7

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b1db3;
/* rgb */ color: rgb(43, 29, 179);
/* oklch */ color: oklch(38.3% 0.217 273.3);

Tailwind

colors: {
  custom: {
    50: '#7d5fcb',
    500: '#2b1db3',
    950: '#000000',
  },
}

SCSS

$custom: #2b1db3;
$custom-light: #7d5fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1db3",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 179
  },
  "hsl": {
    "h": 245.6,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38305,
    "c": 0.21689,
    "h": 273.3
  },
  "luminance": 0.04647
}

Semantic roles & 50–950 ramp

primary

#2B1DB3

secondary

#C1CB61

accent

#EF39DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2B1DB3

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

Preview Lab → · Contrast checker → · Palette generator →