#2B1F99#2B1F99

#2B1F99 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.185 H 275.8°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F99
RGB	rgb(43, 31, 153)
HSL	hsl(246, 66%, 36%)
HSV	hsv(246, 80%, 60%)
CMYK	cmyk(71.9%, 79.7%, 0%, 40%)
CIE-LAB	lab(22.97, 43.90, -63.64)
CIE-LCH	lch(22.97, 77.31, 304.60°)
OKLab	oklab(35.53% 0.0187 -0.184)
OKLCH	oklch(35.53% 0.185 275.8)
XYZ	xyz(7.2341, 3.7928, 30.4817)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F99 #8D991F

analogous

#1F5099 #2B1F99 #681F99

triadic

#2B1F99 #992B1F #1F992B

tetradic

#2B1F99 #991F50 #8D991F #1F9968

square

#2B1F99 #991F50 #8D991F #1F9968

split-complementary

#2B1F99 #99681F #50991F

monochromatic

#0E0A33 #1D1566 #2B1F99 #3929CC #6356DD

Accessibility & contrast

On white

11.94

#2B1F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B1F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F99

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F99	#FFFFFF	#000000	##FFFFFF
##2B1F99	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003197

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1f99;
/* rgb */ color: rgb(43, 31, 153);
/* oklch */ color: oklch(35.5% 0.185 275.8);

Tailwind

colors: {
  custom: {
    50: '#765eb8',
    500: '#2b1f99',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f99;
$custom-light: #765eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f99",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 245.902,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3553,
    "c": 0.18492,
    "h": 275.8
  },
  "luminance": 0.03793
}

Semantic roles & 50–950 ramp

primary

#2B1F99

secondary

#B6C054

accent

#E93FD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1F99

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

Preview Lab → · Contrast checker → · Palette generator →