#2B1A9E#2B1A9E

#2B1A9E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.5% C 0.195 H 275.7°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A9E
RGB	rgb(43, 26, 158)
HSL	hsl(248, 72%, 36%)
HSV	hsv(248, 84%, 62%)
CMYK	cmyk(72.8%, 83.5%, 0%, 38%)
CIE-LAB	lab(22.72, 47.88, -67.12)
CIE-LCH	lch(22.72, 82.44, 305.50°)
OKLab	oklab(35.53% 0.0193 -0.194)
OKLCH	oklch(35.53% 0.195 275.7)
XYZ	xyz(7.5352, 3.7203, 32.6621)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A9E #8D9E1A

analogous

#1A4B9E #2B1A9E #6D1A9E

triadic

#2B1A9E #9E2B1A #1A9E2B

tetradic

#2B1A9E #9E1A4B #8D9E1A #1A9E6D

square

#2B1A9E #9E1A4B #8D9E1A #1A9E6D

split-complementary

#2B1A9E #9E6D1A #4B9E1A

monochromatic

#0E0935 #1D1169 #2B1A9E #3923D3 #6350E2

Accessibility & contrast

On white

12.04

#2B1A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2B1A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A9E

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A9E	#FFFFFF	#000000	##FFFFFF
##2B1A9E	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA2

Deuteranopia (green-blind)

#00309C

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b1a9e;
/* rgb */ color: rgb(43, 26, 158);
/* oklch */ color: oklch(35.5% 0.195 275.7);

Tailwind

colors: {
  custom: {
    50: '#785cbc',
    500: '#2b1a9e',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a9e;
$custom-light: #785cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a9e",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 158
  },
  "hsl": {
    "h": 247.727,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35526,
    "c": 0.19496,
    "h": 275.7
  },
  "luminance": 0.03721
}

Semantic roles & 50–950 ramp

primary

#2B1A9E

secondary

#B6C54F

accent

#EE39D7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1A9E

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

Preview Lab → · Contrast checker → · Palette generator →