#2A1D91#2A1D91

#2A1D91 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.177 H 276.6°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D91
RGB	rgb(42, 29, 145)
HSL	hsl(247, 67%, 34%)
HSV	hsv(247, 80%, 57%)
CMYK	cmyk(71%, 80%, 0%, 43.1%)
CIE-LAB	lab(21.63, 42.29, -60.92)
CIE-LCH	lch(21.63, 74.16, 304.77°)
OKLab	oklab(34.31% 0.0203 -0.1761)
OKLCH	oklch(34.31% 0.177 276.6)
XYZ	xyz(6.5034, 3.4147, 27.0990)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D91 #84911D

analogous

#1D4A91 #2A1D91 #641D91

triadic

#2A1D91 #912A1D #1D912A

tetradic

#2A1D91 #911D4A #84911D #1D9164

square

#2A1D91 #911D4A #84911D #1D9164

split-complementary

#2A1D91 #91641D #4A911D

monochromatic

#0C092B #1B135E #2A1D91 #3927C4 #5D4DDB

Accessibility & contrast

On white

12.48

#2A1D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2A1D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D91

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D91	#FFFFFF	#000000	##FFFFFF
##2A1D91	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003994

Deuteranopia (green-blind)

#002F8F

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a1d91;
/* rgb */ color: rgb(42, 29, 145);
/* oklch */ color: oklch(34.3% 0.177 276.6);

Tailwind

colors: {
  custom: {
    50: '#745cb2',
    500: '#2a1d91',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d91;
$custom-light: #745cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d91",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 145
  },
  "hsl": {
    "h": 246.724,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34307,
    "c": 0.17724,
    "h": 276.6
  },
  "luminance": 0.03415
}

Semantic roles & 50–950 ramp

primary

#2A1D91

secondary

#B1BE4C

accent

#EA3ED6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2A1D91

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

Preview Lab → · Contrast checker → · Palette generator →