#2A1F8F#2A1F8F

#2A1F8F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.3% C 0.173 H 276.6°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F8F
RGB	rgb(42, 31, 143)
HSL	hsl(246, 64%, 34%)
HSV	hsv(246, 78%, 56%)
CMYK	cmyk(70.6%, 78.3%, 0%, 43.9%)
CIE-LAB	lab(21.78, 40.58, -59.43)
CIE-LCH	lch(21.78, 71.97, 304.32°)
OKLab	oklab(34.34% 0.0198 -0.1718)
OKLCH	oklch(34.34% 0.173 276.6)
XYZ	xyz(6.4011, 3.4548, 26.3108)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F8F #848F1F

analogous

#1F4C8F #2A1F8F #621F8F

triadic

#2A1F8F #8F2A1F #1F8F2A

tetradic

#2A1F8F #8F1F4C #848F1F #1F8F62

square

#2A1F8F #8F1F4C #848F1F #1F8F62

split-complementary

#2A1F8F #8F621F #4C8F1F

monochromatic

#0C092A #1B145D #2A1F8F #392AC1 #5D4FD9

Accessibility & contrast

On white

12.42

#2A1F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2A1F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F8F

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F8F	#FFFFFF	#000000	##FFFFFF
##2A1F8F	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002F8D

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a1f8f;
/* rgb */ color: rgb(42, 31, 143);
/* oklch */ color: oklch(34.3% 0.173 276.6);

Tailwind

colors: {
  custom: {
    50: '#745db1',
    500: '#2a1f8f',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f8f;
$custom-light: #745db1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f8f",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 143
  },
  "hsl": {
    "h": 245.893,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34344,
    "c": 0.17292,
    "h": 276.6
  },
  "luminance": 0.03455
}

Semantic roles & 50–950 ramp

primary

#2A1F8F

secondary

#B1BC4E

accent

#E740D7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2A1F8F

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

Preview Lab → · Contrast checker → · Palette generator →