#2B1B80#2B1B80

#2B1B80 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.2% C 0.158 H 280.0°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B80
RGB	rgb(43, 27, 128)
HSL	hsl(250, 65%, 30%)
HSV	hsv(250, 79%, 50%)
CMYK	cmyk(66.4%, 78.9%, 0%, 49.8%)
CIE-LAB	lab(19.46, 37.99, -53.85)
CIE-LCH	lch(19.46, 65.90, 305.20°)
OKLab	oklab(32.24% 0.0275 -0.1554)
OKLCH	oklch(32.24% 0.158 280)
XYZ	xyz(5.2832, 2.8556, 20.6907)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B80 #70801B

analogous

#1B3D80 #2B1B80 #5D1B80

triadic

#2B1B80 #802B1B #1B802B

tetradic

#2B1B80 #801B3D #70801B #1B805D

square

#2B1B80 #801B3D #70801B #1B805D

split-complementary

#2B1B80 #805D1B #3D801B

monochromatic

#09061B #1A104D #2B1B80 #3C26B3 #573FD6

Accessibility & contrast

On white

13.37

#2B1B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#2B1B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B80

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B80	#FFFFFF	#000000	##FFFFFF
##2B1B80	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003383

Deuteranopia (green-blind)

#002B7E

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2b1b80;
/* rgb */ color: rgb(43, 27, 128);
/* oklch */ color: oklch(32.2% 0.158 280.0);

Tailwind

colors: {
  custom: {
    50: '#715aa6',
    500: '#2b1b80',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b80;
$custom-light: #715aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b80",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 128
  },
  "hsl": {
    "h": 249.505,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32244,
    "c": 0.15786,
    "h": 280
  },
  "luminance": 0.02856
}

Semantic roles & 50–950 ramp

primary

#2B1B80

secondary

#A2B443

accent

#E840CD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #2B1B80

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

Preview Lab → · Contrast checker → · Palette generator →