#2B1BC9#2B1BC9

#2B1BC9 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.8% C 0.242 H 271.6°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#2B1BC9
RGB	rgb(43, 27, 201)
HSL	hsl(246, 76%, 45%)
HSV	hsv(246, 87%, 79%)
CMYK	cmyk(78.6%, 86.6%, 0%, 21.2%)
CIE-LAB	lab(28.15, 60.03, -83.82)
CIE-LCH	lch(28.15, 103.09, 305.61°)
OKLab	oklab(40.76% 0.007 -0.2424)
OKLCH	oklch(40.76% 0.242 271.6)
XYZ	xyz(11.9273, 5.5132, 55.6826)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1BC9 #B9C91B

analogous

#1B62C9 #2B1BC9 #821BC9

triadic

#2B1BC9 #C92B1B #1BC92B

tetradic

#2B1BC9 #C91B62 #B9C91B #1BC982

square

#2B1BC9 #C91B62 #B9C91B #1BC982

split-complementary

#2B1BC9 #C9821B #62C91B

monochromatic

#140D5D #1F1493 #2B1BC9 #4C3CE5 #7D72EC

Accessibility & contrast

On white

9.99

#2B1BC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2B1BC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1BC9

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1BC9	#FFFFFF	#000000	##FFFFFF
##2B1BC9	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ACD

Deuteranopia (green-blind)

#003AC6

Tritanopia (blue-blind)

#005777

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b1bc9;
/* rgb */ color: rgb(43, 27, 201);
/* oklch */ color: oklch(40.8% 0.242 271.6);

Tailwind

colors: {
  custom: {
    50: '#8260db',
    500: '#2b1bc9',
    950: '#000000',
  },
}

SCSS

$custom: #2b1bc9;
$custom-light: #8260db;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1bc9",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 201
  },
  "hsl": {
    "h": 245.517,
    "s": 76.316,
    "l": 44.706
  },
  "oklch": {
    "l": 0.40755,
    "c": 0.24248,
    "h": 271.6
  },
  "luminance": 0.05515
}

Semantic roles & 50–950 ramp

primary

#2B1BC9

secondary

#C9D36D

accent

#F335E1

background

#F9F5FD

surface

#F1EAFB

border

#CBC6D4

text

#0D0515

muted

#7E7983

Preview Lab

Preview with #2B1BC9

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

Preview Lab → · Contrast checker → · Palette generator →