#2B40C7#2B40C7

#2B40C7 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.2% C 0.208 H 268.8°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B40C7
RGB	rgb(43, 64, 199)
HSL	hsl(232, 64%, 47%)
HSV	hsv(232, 78%, 78%)
CMYK	cmyk(78.4%, 67.8%, 0%, 22%)
CIE-LAB	lab(34.60, 40.38, -71.97)
CIE-LCH	lch(34.60, 82.52, 299.30°)
OKLab	oklab(45.25% -0.0043 -0.2084)
OKLCH	oklch(45.25% 0.208 268.8)
XYZ	xyz(13.1349, 8.3024, 54.9320)
Luminance	0.0830 (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

#2B40C7 #C7B22B

analogous

#2B8EC7 #2B40C7 #642BC7

triadic

#2B40C7 #C72B40 #40C72B

tetradic

#2B40C7 #C72B8E #C7B22B #2BC764

square

#2B40C7 #C72B8E #C7B22B #2BC764

split-complementary

#2B40C7 #C7642B #8EC72B

monochromatic

#152062 #203095 #2B40C7 #5567DA #8794E5

Accessibility & contrast

On white

7.89

#2B40C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2B40C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B40C7

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B40C7	#FFFFFF	#000000	##FFFFFF
##2B40C7	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CB

Deuteranopia (green-blind)

#004AC5

Tritanopia (blue-blind)

#00657E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b40c7;
/* rgb */ color: rgb(43, 64, 199);
/* oklch */ color: oklch(45.2% 0.208 268.8);

Tailwind

colors: {
  custom: {
    50: '#7e75d9',
    500: '#2b40c7',
    950: '#000000',
  },
}

SCSS

$custom: #2b40c7;
$custom-light: #7e75d9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b40c7",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 199
  },
  "hsl": {
    "h": 231.923,
    "s": 64.463,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45249,
    "c": 0.20843,
    "h": 268.8
  },
  "luminance": 0.08304
}

Semantic roles & 50–950 ramp

primary

#2B40C7

secondary

#CFC47F

accent

#D140E7

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #2B40C7

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

Preview Lab → · Contrast checker → · Palette generator →