#2B1D72#2B1D72

#2B1D72 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.138 H 282.4°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D72
RGB	rgb(43, 29, 114)
HSL	hsl(250, 59%, 28%)
HSV	hsv(250, 75%, 45%)
CMYK	cmyk(62.3%, 74.6%, 0%, 55.3%)
CIE-LAB	lab(18.40, 32.25, -46.64)
CIE-LCH	lch(18.40, 56.70, 304.66°)
OKLab	oklab(31.05% 0.0295 -0.1344)
OKLCH	oklch(31.05% 0.138 282.4)
XYZ	xyz(4.4719, 2.6069, 16.1839)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D72 #64721D

analogous

#1D3972 #2B1D72 #551D72

triadic

#2B1D72 #722B1D #1D722B

tetradic

#2B1D72 #721D39 #64721D #1D7255

square

#2B1D72 #721D39 #64721D #1D7255

split-complementary

#2B1D72 #72551D #39721D

monochromatic

#090618 #191141 #2B1D72 #3D29A3 #543CCD

Accessibility & contrast

On white

13.80

#2B1D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#2B1D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D72

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D72	#FFFFFF	#000000	##FFFFFF
##2B1D72	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003075

Deuteranopia (green-blind)

#002A70

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b1d72;
/* rgb */ color: rgb(43, 29, 114);
/* oklch */ color: oklch(31.1% 0.138 282.4);

Tailwind

colors: {
  custom: {
    50: '#6e5a9b',
    500: '#2b1d72',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d72;
$custom-light: #6e5a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d72",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 114
  },
  "hsl": {
    "h": 249.882,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31053,
    "c": 0.13758,
    "h": 282.4
  },
  "luminance": 0.02607
}

Semantic roles & 50–950 ramp

primary

#2B1D72

secondary

#96A645

accent

#E345C9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2B1D72

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

Preview Lab → · Contrast checker → · Palette generator →