#2B1D79#2B1D79

#2B1D79 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.147 H 280.9°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D79
RGB	rgb(43, 29, 121)
HSL	hsl(249, 61%, 29%)
HSV	hsv(249, 76%, 47%)
CMYK	cmyk(64.5%, 76%, 0%, 52.5%)
CIE-LAB	lab(19.11, 34.58, -49.97)
CIE-LCH	lch(19.11, 60.77, 304.68°)
OKLab	oklab(31.78% 0.0279 -0.1441)
OKLCH	oklch(31.78% 0.147 280.9)
XYZ	xyz(4.8857, 2.7724, 18.3631)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D79 #6B791D

analogous

#1D3D79 #2B1D79 #591D79

triadic

#2B1D79 #792B1D #1D792B

tetradic

#2B1D79 #791D3D #6B791D #1D7959

square

#2B1D79 #791D3D #6B791D #1D7959

split-complementary

#2B1D79 #79591D #3D791D

monochromatic

#090619 #191148 #2B1D79 #3D29AA #563FD1

Accessibility & contrast

On white

13.51

#2B1D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2B1D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D79

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D79	#FFFFFF	#000000	##FFFFFF
##2B1D79	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327C

Deuteranopia (green-blind)

#002B77

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1d79;
/* rgb */ color: rgb(43, 29, 121);
/* oklch */ color: oklch(31.8% 0.147 280.9);

Tailwind

colors: {
  custom: {
    50: '#6f5ba1',
    500: '#2b1d79',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d79;
$custom-light: #6f5ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d79",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 121
  },
  "hsl": {
    "h": 249.13,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31776,
    "c": 0.14679,
    "h": 280.9
  },
  "luminance": 0.02773
}

Semantic roles & 50–950 ramp

primary

#2B1D79

secondary

#9DAD45

accent

#E443CC

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B1D79

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

Preview Lab → · Contrast checker → · Palette generator →