#2B1CAB#2B1CAB

#2B1CAB is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.3% C 0.208 H 274.1°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B1CAB
RGB	rgb(43, 28, 171)
HSL	hsl(246, 72%, 39%)
HSV	hsv(246, 84%, 67%)
CMYK	cmyk(74.9%, 83.6%, 0%, 32.9%)
CIE-LAB	lab(24.59, 50.91, -71.92)
CIE-LCH	lch(24.59, 88.11, 305.29°)
OKLab	oklab(37.26% 0.0149 -0.208)
OKLCH	oklch(37.26% 0.208 274.1)
XYZ	xyz(8.7598, 4.2835, 38.8853)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1CAB #9CAB1C

analogous

#1C55AB #2B1CAB #731CAB

triadic

#2B1CAB #AB2B1C #1CAB2B

tetradic

#2B1CAB #AB1C55 #9CAB1C #1CAB73

square

#2B1CAB #AB1C55 #9CAB1C #1CAB73

split-complementary

#2B1CAB #AB731C #55AB1C

monochromatic

#110B42 #1E1376 #2B1CAB #3B28DC #6B5DE4

Accessibility & contrast

On white

11.31

#2B1CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2B1CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1CAB

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1CAB	#FFFFFF	#000000	##FFFFFF
##2B1CAB	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AF

Deuteranopia (green-blind)

#0034A9

Tritanopia (blue-blind)

#004A66

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b1cab;
/* rgb */ color: rgb(43, 28, 171);
/* oklch */ color: oklch(37.3% 0.208 274.1);

Tailwind

colors: {
  custom: {
    50: '#7b5ec5',
    500: '#2b1cab',
    950: '#000000',
  },
}

SCSS

$custom: #2b1cab;
$custom-light: #7b5ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1cab",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 171
  },
  "hsl": {
    "h": 246.294,
    "s": 71.859,
    "l": 39.02
  },
  "oklch": {
    "l": 0.3726,
    "c": 0.20849,
    "h": 274.1
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#2B1CAB

secondary

#BDC95A

accent

#EF39DC

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1CAB

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

Preview Lab → · Contrast checker → · Palette generator →