#2B40C0#2B40C0

#2B40C0 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.200 H 268.9°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B40C0
RGB	rgb(43, 64, 192)
HSL	hsl(232, 63%, 46%)
HSV	hsv(232, 78%, 75%)
CMYK	cmyk(77.6%, 66.7%, 0%, 24.7%)
CIE-LAB	lab(33.95, 37.88, -68.94)
CIE-LCH	lch(33.95, 78.67, 298.78°)
OKLab	oklab(44.57% -0.0037 -0.1996)
OKLCH	oklch(44.57% 0.2 268.9)
XYZ	xyz(12.3408, 7.9848, 50.7498)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B40C0 #C0AB2B

analogous

#2B8AC0 #2B40C0 #612BC0

triadic

#2B40C0 #C02B40 #40C02B

tetradic

#2B40C0 #C02B8A #C0AB2B #2BC061

square

#2B40C0 #C02B8A #C0AB2B #2BC061

split-complementary

#2B40C0 #C0612B #8AC02B

monochromatic

#151F5C #202F8E #2B40C0 #5063D8 #8290E3

Accessibility & contrast

On white

8.09

#2B40C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2B40C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B40C0

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B40C0	#FFFFFF	#000000	##FFFFFF
##2B40C0	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C4

Deuteranopia (green-blind)

#0049BE

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b40c0;
/* rgb */ color: rgb(43, 64, 192);
/* oklch */ color: oklch(44.6% 0.200 268.9);

Tailwind

colors: {
  custom: {
    50: '#7d75d4',
    500: '#2b40c0',
    950: '#000000',
  },
}

SCSS

$custom: #2b40c0;
$custom-light: #7d75d4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b40c0",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 192
  },
  "hsl": {
    "h": 231.544,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44574,
    "c": 0.19961,
    "h": 268.9
  },
  "luminance": 0.07986
}

Semantic roles & 50–950 ramp

primary

#2B40C0

secondary

#CCC17B

accent

#CF41E6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2B40C0

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

Preview Lab → · Contrast checker → · Palette generator →