#2B1AB4#2B1AB4

#2B1AB4 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 38.1% C 0.220 H 273.4°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#2B1AB4
RGB	rgb(43, 26, 180)
HSL	hsl(247, 75%, 40%)
HSV	hsv(247, 86%, 71%)
CMYK	cmyk(76.1%, 85.6%, 0%, 29.4%)
CIE-LAB	lab(25.40, 54.40, -75.97)
CIE-LCH	lch(25.40, 93.44, 305.61°)
OKLab	oklab(38.14% 0.0129 -0.2196)
OKLCH	oklch(38.14% 0.22 273.4)
XYZ	xyz(9.6011, 4.5467, 43.5428)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1AB4 #A3B41A

analogous

#1A56B4 #2B1AB4 #781AB4

triadic

#2B1AB4 #B42B1A #1AB42B

tetradic

#2B1AB4 #B41A56 #A3B41A #1AB478

square

#2B1AB4 #B41A56 #A3B41A #1AB478

split-complementary

#2B1AB4 #B4781A #56B41A

monochromatic

#110B49 #1E127F #2B1AB4 #3F2BE0 #6F60E8

Accessibility & contrast

On white

11.00

#2B1AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2B1AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1AB4

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1AB4	#FFFFFF	#000000	##FFFFFF
##2B1AB4	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b1ab4;
/* rgb */ color: rgb(43, 26, 180);
/* oklch */ color: oklch(38.1% 0.220 273.4);

Tailwind

colors: {
  custom: {
    50: '#7d5dcc',
    500: '#2b1ab4',
    950: '#000000',
  },
}

SCSS

$custom: #2b1ab4;
$custom-light: #7d5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1ab4",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 180
  },
  "hsl": {
    "h": 246.623,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38135,
    "c": 0.22003,
    "h": 273.4
  },
  "luminance": 0.04548
}

Semantic roles & 50–950 ramp

primary

#2B1AB4

secondary

#C0CC5D

accent

#F136DD

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2B1AB4

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

Preview Lab → · Contrast checker → · Palette generator →