#2B1FAC#2B1FAC

#2B1FAC is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.7% C 0.207 H 273.8°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B1FAC
RGB	rgb(43, 31, 172)
HSL	hsl(245, 69%, 40%)
HSV	hsv(245, 82%, 67%)
CMYK	cmyk(75%, 82%, 0%, 32.5%)
CIE-LAB	lab(25.17, 49.84, -71.55)
CIE-LCH	lch(25.17, 87.20, 304.86°)
OKLab	oklab(37.7% 0.0137 -0.2069)
OKLCH	oklch(37.7% 0.207 273.8)
XYZ	xyz(8.9302, 4.4712, 39.4141)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1FAC #A0AC1F

analogous

#1F5AAC #2B1FAC #711FAC

triadic

#2B1FAC #AC2B1F #1FAC2B

tetradic

#2B1FAC #AC1F5A #A0AC1F #1FAC71

square

#2B1FAC #AC1F5A #A0AC1F #1FAC71

split-complementary

#2B1FAC #AC711F #5AAC1F

monochromatic

#110C44 #1E1678 #2B1FAC #3D2FD9 #6E63E3

Accessibility & contrast

On white

11.09

#2B1FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2B1FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1FAC

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1FAC	#FFFFFF	#000000	##FFFFFF
##2B1FAC	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B0

Deuteranopia (green-blind)

#0035AA

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b1fac;
/* rgb */ color: rgb(43, 31, 172);
/* oklch */ color: oklch(37.7% 0.207 273.8);

Tailwind

colors: {
  custom: {
    50: '#7b5fc6',
    500: '#2b1fac',
    950: '#000000',
  },
}

SCSS

$custom: #2b1fac;
$custom-light: #7b5fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1fac",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 172
  },
  "hsl": {
    "h": 245.106,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37699,
    "c": 0.2074,
    "h": 273.8
  },
  "luminance": 0.04472
}

Semantic roles & 50–950 ramp

primary

#2B1FAC

secondary

#BFC85F

accent

#EC3CDD

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1FAC

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

Preview Lab → · Contrast checker → · Palette generator →