#2B1CB4#2B1CB4

#2B1CB4 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.3% C 0.219 H 273.3°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B1CB4
RGB	rgb(43, 28, 180)
HSL	hsl(246, 73%, 41%)
HSV	hsv(246, 84%, 71%)
CMYK	cmyk(76.1%, 84.4%, 0%, 29.4%)
CIE-LAB	lab(25.68, 53.58, -75.51)
CIE-LCH	lch(25.68, 92.59, 305.36°)
OKLab	oklab(38.32% 0.0124 -0.2184)
OKLCH	oklch(38.32% 0.219 273.3)
XYZ	xyz(9.6470, 4.6384, 43.5580)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1CB4 #A5B41C

analogous

#1C59B4 #2B1CB4 #771CB4

triadic

#2B1CB4 #B42B1C #1CB42B

tetradic

#2B1CB4 #B41C59 #A5B41C #1CB477

square

#2B1CB4 #B41C59 #A5B41C #1CB477

split-complementary

#2B1CB4 #B4771C #59B41C

monochromatic

#120C4A #1E147F #2B1CB4 #402FDF #7164E7

Accessibility & contrast

On white

10.89

#2B1CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B1CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1CB4

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1CB4	#FFFFFF	#000000	##FFFFFF
##2B1CB4	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b1cb4;
/* rgb */ color: rgb(43, 28, 180);
/* oklch */ color: oklch(38.3% 0.219 273.3);

Tailwind

colors: {
  custom: {
    50: '#7d5ecc',
    500: '#2b1cb4',
    950: '#000000',
  },
}

SCSS

$custom: #2b1cb4;
$custom-light: #7d5ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1cb4",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 180
  },
  "hsl": {
    "h": 245.921,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38324,
    "c": 0.21871,
    "h": 273.3
  },
  "luminance": 0.04639
}

Semantic roles & 50–950 ramp

primary

#2B1CB4

secondary

#C1CC60

accent

#F038DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2B1CB4

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

Preview Lab → · Contrast checker → · Palette generator →