#2B1A9D#2B1A9D

#2B1A9D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.194 H 275.8°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A9D
RGB	rgb(43, 26, 157)
HSL	hsl(248, 72%, 36%)
HSV	hsv(248, 83%, 62%)
CMYK	cmyk(72.6%, 83.4%, 0%, 38.4%)
CIE-LAB	lab(22.61, 47.58, -66.70)
CIE-LCH	lch(22.61, 81.93, 305.50°)
OKLab	oklab(35.41% 0.0196 -0.1928)
OKLCH	oklch(35.41% 0.194 275.8)
XYZ	xyz(7.4495, 3.6860, 32.2106)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A9D #8C9D1A

analogous

#1A4A9D #2B1A9D #6C1A9D

triadic

#2B1A9D #9D2B1A #1A9D2B

tetradic

#2B1A9D #9D1A4A #8C9D1A #1A9D6C

square

#2B1A9D #9D1A4A #8C9D1A #1A9D6C

split-complementary

#2B1A9D #9D6C1A #4A9D1A

monochromatic

#0E0934 #1D1168 #2B1A9D #3923D2 #624FE2

Accessibility & contrast

On white

12.09

#2B1A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2B1A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A9D

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A9D	#FFFFFF	#000000	##FFFFFF
##2B1A9D	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA1

Deuteranopia (green-blind)

#00309B

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b1a9d;
/* rgb */ color: rgb(43, 26, 157);
/* oklch */ color: oklch(35.4% 0.194 275.8);

Tailwind

colors: {
  custom: {
    50: '#785bbb',
    500: '#2b1a9d',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a9d;
$custom-light: #785bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a9d",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 157
  },
  "hsl": {
    "h": 247.786,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35409,
    "c": 0.19379,
    "h": 275.8
  },
  "luminance": 0.03687
}

Semantic roles & 50–950 ramp

primary

#2B1A9D

secondary

#B5C44E

accent

#EE39D7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1A9D

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

Preview Lab → · Contrast checker → · Palette generator →