#2B1AA0#2B1AA0

#2B1AA0 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.8% C 0.197 H 275.4°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B1AA0
RGB	rgb(43, 26, 160)
HSL	hsl(248, 72%, 36%)
HSV	hsv(248, 84%, 63%)
CMYK	cmyk(73.1%, 83.8%, 0%, 37.3%)
CIE-LAB	lab(22.96, 48.48, -67.94)
CIE-LCH	lch(22.96, 83.47, 305.51°)
OKLab	oklab(35.76% 0.0187 -0.1964)
OKLCH	oklch(35.76% 0.197 275.4)
XYZ	xyz(7.7087, 3.7897, 33.5761)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1AA0 #8FA01A

analogous

#1A4CA0 #2B1AA0 #6E1AA0

triadic

#2B1AA0 #A02B1A #1AA02B

tetradic

#2B1AA0 #A01A4C #8FA01A #1AA06E

square

#2B1AA0 #A01A4C #8FA01A #1AA06E

split-complementary

#2B1AA0 #A06E1A #4CA01A

monochromatic

#0F0937 #1D116B #2B1AA0 #3923D5 #6452E3

Accessibility & contrast

On white

11.95

#2B1AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B1AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1AA0

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1AA0	#FFFFFF	#000000	##FFFFFF
##2B1AA0	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA4

Deuteranopia (green-blind)

#00319E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1aa0;
/* rgb */ color: rgb(43, 26, 160);
/* oklch */ color: oklch(35.8% 0.197 275.4);

Tailwind

colors: {
  custom: {
    50: '#785cbd',
    500: '#2b1aa0',
    950: '#000000',
  },
}

SCSS

$custom: #2b1aa0;
$custom-light: #785cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1aa0",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 160
  },
  "hsl": {
    "h": 247.612,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.3576,
    "c": 0.19729,
    "h": 275.4
  },
  "luminance": 0.0379
}

Semantic roles & 50–950 ramp

primary

#2B1AA0

secondary

#B7C550

accent

#EF39D8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B1AA0

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

Preview Lab → · Contrast checker → · Palette generator →