#2B1B97#2B1B97

#2B1B97 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.186 H 276.5°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B97
RGB	rgb(43, 27, 151)
HSL	hsl(248, 70%, 35%)
HSV	hsv(248, 82%, 59%)
CMYK	cmyk(71.5%, 82.1%, 0%, 40.8%)
CIE-LAB	lab(22.06, 45.27, -63.93)
CIE-LCH	lch(22.06, 78.33, 305.30°)
OKLab	oklab(34.82% 0.021 -0.1848)
OKLCH	oklch(34.82% 0.186 276.5)
XYZ	xyz(6.9723, 3.5312, 29.5863)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B97 #87971B

analogous

#1B4997 #2B1B97 #691B97

triadic

#2B1B97 #972B1B #1B972B

tetradic

#2B1B97 #971B49 #87971B #1B9769

square

#2B1B97 #971B49 #87971B #1B9769

split-complementary

#2B1B97 #97691B #49971B

monochromatic

#0D082F #1C1263 #2B1B97 #3A24CB #604DDF

Accessibility & contrast

On white

12.31

#2B1B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2B1B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B97

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B97	#FFFFFF	#000000	##FFFFFF
##2B1B97	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002F95

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b1b97;
/* rgb */ color: rgb(43, 27, 151);
/* oklch */ color: oklch(34.8% 0.186 276.5);

Tailwind

colors: {
  custom: {
    50: '#765cb7',
    500: '#2b1b97',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b97;
$custom-light: #765cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b97",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 151
  },
  "hsl": {
    "h": 247.742,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34824,
    "c": 0.18595,
    "h": 276.5
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#2B1B97

secondary

#B2C14C

accent

#EC3BD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1B97

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

Preview Lab → · Contrast checker → · Palette generator →