#2A1F91#2A1F91

#2A1F91 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.6% C 0.175 H 276.3°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F91
RGB	rgb(42, 31, 145)
HSL	hsl(246, 65%, 35%)
HSV	hsv(246, 79%, 57%)
CMYK	cmyk(71%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(22.00, 41.23, -60.31)
CIE-LCH	lch(22.00, 73.06, 304.36°)
OKLab	oklab(34.57% 0.0193 -0.1743)
OKLCH	oklch(34.57% 0.175 276.3)
XYZ	xyz(6.5540, 3.5159, 27.1158)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F91 #86911F

analogous

#1F4D91 #2A1F91 #631F91

triadic

#2A1F91 #912A1F #1F912A

tetradic

#2A1F91 #911F4D #86911F #1F9163

square

#2A1F91 #911F4D #86911F #1F9163

split-complementary

#2A1F91 #91631F #4D911F

monochromatic

#0D092C #1B145F #2A1F91 #392AC3 #5E51DA

Accessibility & contrast

On white

12.33

#2A1F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2A1F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F91

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F91	#FFFFFF	#000000	##FFFFFF
##2A1F91	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003994

Deuteranopia (green-blind)

#00308F

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2a1f91;
/* rgb */ color: rgb(42, 31, 145);
/* oklch */ color: oklch(34.6% 0.175 276.3);

Tailwind

colors: {
  custom: {
    50: '#745db2',
    500: '#2a1f91',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f91;
$custom-light: #745db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f91",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 245.789,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34565,
    "c": 0.1754,
    "h": 276.3
  },
  "luminance": 0.03517
}

Semantic roles & 50–950 ramp

primary

#2A1F91

secondary

#B2BD4F

accent

#E840D8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2A1F91

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

Preview Lab → · Contrast checker → · Palette generator →