#2B1D7A#2B1D7A

#2B1D7A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.148 H 280.8°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D7A
RGB	rgb(43, 29, 122)
HSL	hsl(249, 62%, 30%)
HSV	hsv(249, 76%, 48%)
CMYK	cmyk(64.8%, 76.2%, 0%, 52.2%)
CIE-LAB	lab(19.21, 34.91, -50.44)
CIE-LCH	lch(19.21, 61.34, 304.69°)
OKLab	oklab(31.88% 0.0276 -0.1455)
OKLCH	oklch(31.88% 0.148 280.8)
XYZ	xyz(4.9474, 2.7971, 18.6878)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D7A #6C7A1D

analogous

#1D3E7A #2B1D7A #591D7A

triadic

#2B1D7A #7A2B1D #1D7A2B

tetradic

#2B1D7A #7A1D3E #6C7A1D #1D7A59

square

#2B1D7A #7A1D3E #6C7A1D #1D7A59

split-complementary

#2B1D7A #7A591D #3E7A1D

monochromatic

#090619 #1A1149 #2B1D7A #3C29AB #5640D2

Accessibility & contrast

On white

13.47

#2B1D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#2B1D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D7A

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D7A	#FFFFFF	#000000	##FFFFFF
##2B1D7A	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327D

Deuteranopia (green-blind)

#002B78

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2b1d7a;
/* rgb */ color: rgb(43, 29, 122);
/* oklch */ color: oklch(31.9% 0.148 280.8);

Tailwind

colors: {
  custom: {
    50: '#6f5ba1',
    500: '#2b1d7a',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d7a;
$custom-light: #6f5ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d7a",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 122
  },
  "hsl": {
    "h": 249.032,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3188,
    "c": 0.14809,
    "h": 280.8
  },
  "luminance": 0.02797
}

Semantic roles & 50–950 ramp

primary

#2B1D7A

secondary

#9EAE45

accent

#E543CC

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B1D7A

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

Preview Lab → · Contrast checker → · Palette generator →