#2B1B78#2B1B78

#2B1B78 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.148 H 281.6°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B78
RGB	rgb(43, 27, 120)
HSL	hsl(250, 63%, 29%)
HSV	hsv(250, 78%, 47%)
CMYK	cmyk(64.2%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(18.60, 35.40, -50.17)
CIE-LCH	lch(18.60, 61.40, 305.20°)
OKLab	oklab(31.38% 0.0296 -0.1447)
OKLCH	oklch(31.38% 0.148 281.6)
XYZ	xyz(4.7773, 2.6532, 18.0260)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B78 #68781B

analogous

#1B3A78 #2B1B78 #5A1B78

triadic

#2B1B78 #782B1B #1B782B

tetradic

#2B1B78 #781B3A #68781B #1B785A

square

#2B1B78 #781B3A #68781B #1B785A

split-complementary

#2B1B78 #785A1B #3A781B

monochromatic

#090619 #191046 #2B1B78 #3D26AA #553BD3

Accessibility & contrast

On white

13.72

#2B1B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#2B1B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B78

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B78	#FFFFFF	#000000	##FFFFFF
##2B1B78	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b1b78;
/* rgb */ color: rgb(43, 27, 120);
/* oklch */ color: oklch(31.4% 0.148 281.6);

Tailwind

colors: {
  custom: {
    50: '#6f5aa0',
    500: '#2b1b78',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b78;
$custom-light: #6f5aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b78",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 250.323,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31383,
    "c": 0.14769,
    "h": 281.6
  },
  "luminance": 0.02654
}

Semantic roles & 50–950 ramp

primary

#2B1B78

secondary

#9AAC43

accent

#E641CA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #2B1B78

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

Preview Lab → · Contrast checker → · Palette generator →