#2B1FAD#2B1FAD

#2B1FAD is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.8% C 0.209 H 273.7°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B1FAD
RGB	rgb(43, 31, 173)
HSL	hsl(245, 70%, 40%)
HSV	hsv(245, 82%, 68%)
CMYK	cmyk(75.1%, 82.1%, 0%, 32.2%)
CIE-LAB	lab(25.29, 50.15, -71.96)
CIE-LCH	lch(25.29, 87.71, 304.87°)
OKLab	oklab(37.81% 0.0134 -0.2081)
OKLCH	oklch(37.81% 0.209 273.7)
XYZ	xyz(9.0266, 4.5098, 39.9218)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1FAD #A1AD1F

analogous

#1F5AAD #2B1FAD #721FAD

triadic

#2B1FAD #AD2B1F #1FAD2B

tetradic

#2B1FAD #AD1F5A #A1AD1F #1FAD72

square

#2B1FAD #AD1F5A #A1AD1F #1FAD72

split-complementary

#2B1FAD #AD721F #5AAD1F

monochromatic

#110C45 #1E1679 #2B1FAD #3E2FDA #6E63E3

Accessibility & contrast

On white

11.04

#2B1FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2B1FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1FAD

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1FAD	#FFFFFF	#000000	##FFFFFF
##2B1FAD	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B1

Deuteranopia (green-blind)

#0035AB

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b1fad;
/* rgb */ color: rgb(43, 31, 173);
/* oklch */ color: oklch(37.8% 0.209 273.7);

Tailwind

colors: {
  custom: {
    50: '#7b5fc7',
    500: '#2b1fad',
    950: '#000000',
  },
}

SCSS

$custom: #2b1fad;
$custom-light: #7b5fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1fad",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 173
  },
  "hsl": {
    "h": 245.07,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.37814,
    "c": 0.20856,
    "h": 273.7
  },
  "luminance": 0.04511
}

Semantic roles & 50–950 ramp

primary

#2B1FAD

secondary

#BFC860

accent

#EC3BDD

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1FAD

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

Preview Lab → · Contrast checker → · Palette generator →