#2B1C9B#2B1C9B

#2B1C9B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.190 H 275.9°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C9B
RGB	rgb(43, 28, 155)
HSL	hsl(247, 69%, 36%)
HSV	hsv(247, 82%, 61%)
CMYK	cmyk(72.3%, 81.9%, 0%, 39.2%)
CIE-LAB	lab(22.69, 46.03, -65.34)
CIE-LCH	lch(22.69, 79.92, 305.16°)
OKLab	oklab(35.4% 0.0194 -0.1889)
OKLCH	oklch(35.4% 0.19 275.9)
XYZ	xyz(7.3260, 3.7100, 31.3340)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C9B #8C9B1C

analogous

#1C4C9B #2B1C9B #6A1C9B

triadic

#2B1C9B #9B2B1C #1C9B2B

tetradic

#2B1C9B #9B1C4C #8C9B1C #1C9B6A

square

#2B1C9B #9B1C4C #8C9B1C #1C9B6A

split-complementary

#2B1C9B #9B6A1C #4C9B1C

monochromatic

#0E0933 #1D1367 #2B1C9B #3925CF #6252E0

Accessibility & contrast

On white

12.05

#2B1C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2B1C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C9B

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C9B	#FFFFFF	#000000	##FFFFFF
##2B1C9B	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b1c9b;
/* rgb */ color: rgb(43, 28, 155);
/* oklch */ color: oklch(35.4% 0.190 275.9);

Tailwind

colors: {
  custom: {
    50: '#775cba',
    500: '#2b1c9b',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c9b;
$custom-light: #775cba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c9b",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 155
  },
  "hsl": {
    "h": 247.087,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35398,
    "c": 0.18987,
    "h": 275.9
  },
  "luminance": 0.03711
}

Semantic roles & 50–950 ramp

primary

#2B1C9B

secondary

#B5C350

accent

#EC3CD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1C9B

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

Preview Lab → · Contrast checker → · Palette generator →