#2F40BD#2F40BD

#2F40BD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.195 H 270.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F40BD
RGB	rgb(47, 64, 189)
HSL	hsl(233, 60%, 46%)
HSV	hsv(233, 75%, 74%)
CMYK	cmyk(75.1%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(33.87, 37.20, -67.32)
CIE-LCH	lch(33.87, 76.91, 298.92°)
OKLab	oklab(44.48% 0.0003 -0.1947)
OKLCH	oklch(44.48% 0.195 270.1)
XYZ	xyz(12.1879, 7.9439, 49.0253)
Luminance	0.0795 (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

#2F40BD #BDAC2F

analogous

#2F87BD #2F40BD #652FBD

triadic

#2F40BD #BD2F40 #40BD2F

tetradic

#2F40BD #BD2F87 #BDAC2F #2FBD65

square

#2F40BD #BD2F87 #BDAC2F #2FBD65

split-complementary

#2F40BD #BD652F #87BD2F

monochromatic

#171F5B #232F8C #2F40BD #5564D5 #8691E1

Accessibility & contrast

On white

8.11

#2F40BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2F40BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F40BD

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F40BD	#FFFFFF	#000000	##FFFFFF
##2F40BD	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C1

Deuteranopia (green-blind)

#0049BB

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f40bd;
/* rgb */ color: rgb(47, 64, 189);
/* oklch */ color: oklch(44.5% 0.195 270.1);

Tailwind

colors: {
  custom: {
    50: '#7d75d2',
    500: '#2f40bd',
    950: '#000000',
  },
}

SCSS

$custom: #2f40bd;
$custom-light: #7d75d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f40bd",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 232.817,
    "s": 60.169,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4448,
    "c": 0.19473,
    "h": 270.1
  },
  "luminance": 0.07945
}

Semantic roles & 50–950 ramp

primary

#2F40BD

secondary

#CAC17E

accent

#D044E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2F40BD

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

Preview Lab → · Contrast checker → · Palette generator →