#2A1FAC#2A1FAC

#2A1FAC is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.6% C 0.208 H 273.4°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#2A1FAC
RGB	rgb(42, 31, 172)
HSL	hsl(245, 69%, 40%)
HSV	hsv(245, 82%, 67%)
CMYK	cmyk(75.6%, 82%, 0%, 32.5%)
CIE-LAB	lab(25.11, 49.77, -71.66)
CIE-LCH	lch(25.11, 87.25, 304.78°)
OKLab	oklab(37.64% 0.0124 -0.2073)
OKLCH	oklch(37.64% 0.208 273.4)
XYZ	xyz(8.8887, 4.4498, 39.4122)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1FAC #A1AC1F

analogous

#1F5AAC #2A1FAC #711FAC

triadic

#2A1FAC #AC2A1F #1FAC2A

tetradic

#2A1FAC #AC1F5A #A1AC1F #1FAC71

square

#2A1FAC #AC1F5A #A1AC1F #1FAC71

split-complementary

#2A1FAC #AC711F #5AAC1F

monochromatic

#110C44 #1D1678 #2A1FAC #3C2FD9 #6D63E3

Accessibility & contrast

On white

11.11

#2A1FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2A1FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1FAC

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1FAC	#FFFFFF	#000000	##FFFFFF
##2A1FAC	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	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: #2a1fac;
/* rgb */ color: rgb(42, 31, 172);
/* oklch */ color: oklch(37.6% 0.208 273.4);

Tailwind

colors: {
  custom: {
    50: '#7a5fc6',
    500: '#2a1fac',
    950: '#000000',
  },
}

SCSS

$custom: #2a1fac;
$custom-light: #7a5fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1fac",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 172
  },
  "hsl": {
    "h": 244.681,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37636,
    "c": 0.20766,
    "h": 273.4
  },
  "luminance": 0.04451
}

Semantic roles & 50–950 ramp

primary

#2A1FAC

secondary

#C0C85F

accent

#EC3CDE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A1FAC

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

Preview Lab → · Contrast checker → · Palette generator →