#2B189B#2B189B

#2B189B is a dark, vivid blue. Relative luminance 0.035; OKLCH L 35.0% C 0.193 H 276.2°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B189B
RGB	rgb(43, 24, 155)
HSL	hsl(249, 73%, 35%)
HSV	hsv(249, 85%, 61%)
CMYK	cmyk(72.3%, 84.5%, 0%, 39.2%)
CIE-LAB	lab(22.06, 47.87, -66.38)
CIE-LCH	lch(22.06, 81.84, 305.80°)
OKLab	oklab(34.97% 0.0209 -0.1918)
OKLCH	oklch(34.97% 0.193 276.2)
XYZ	xyz(7.2374, 3.5327, 31.3045)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B189B #889B18

analogous

#18479B #2B189B #6C189B

triadic

#2B189B #9B2B18 #189B2B

tetradic

#2B189B #9B1847 #889B18 #189B6C

square

#2B189B #9B1847 #889B18 #189B6C

split-complementary

#2B189B #9B6C18 #479B18

monochromatic

#0E0831 #1C1066 #2B189B #3A20D0 #614AE3

Accessibility & contrast

On white

12.31

#2B189B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2B189B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B189B

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B189B	#FFFFFF	#000000	##FFFFFF
##2B189B	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9E

Deuteranopia (green-blind)

#002F99

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b189b;
/* rgb */ color: rgb(43, 24, 155);
/* oklch */ color: oklch(35.0% 0.193 276.2);

Tailwind

colors: {
  custom: {
    50: '#775aba',
    500: '#2b189b',
    950: '#000000',
  },
}

SCSS

$custom: #2b189b;
$custom-light: #775aba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b189b",
  "rgb": {
    "r": 43,
    "g": 24,
    "b": 155
  },
  "hsl": {
    "h": 248.702,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34966,
    "c": 0.19296,
    "h": 276.2
  },
  "luminance": 0.03533
}

Semantic roles & 50–950 ramp

primary

#2B189B

secondary

#B3C54A

accent

#F038D5

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B189B

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

Preview Lab → · Contrast checker → · Palette generator →