#2F40C0#2F40C0

#2F40C0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.199 H 270.0°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F40C0
RGB	rgb(47, 64, 192)
HSL	hsl(233, 61%, 47%)
HSV	hsv(233, 76%, 75%)
CMYK	cmyk(75.5%, 66.7%, 0%, 24.7%)
CIE-LAB	lab(34.14, 38.26, -68.63)
CIE-LCH	lch(34.14, 78.58, 299.14°)
OKLab	oklab(44.76% 0.0001 -0.1986)
OKLCH	oklch(44.76% 0.199 270)
XYZ	xyz(12.5169, 8.0755, 50.7580)
Luminance	0.0808 (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

#2F40C0 #C0AF2F

analogous

#2F88C0 #2F40C0 #672FC0

triadic

#2F40C0 #C02F40 #40C02F

tetradic

#2F40C0 #C02F88 #C0AF2F #2FC067

square

#2F40C0 #C02F88 #C0AF2F #2FC067

split-complementary

#2F40C0 #C0672F #88C02F

monochromatic

#171F5E #23308F #2F40C0 #5665D6 #8892E2

Accessibility & contrast

On white

8.03

#2F40C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2F40C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F40C0

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F40C0	#FFFFFF	#000000	##FFFFFF
##2F40C0	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C4

Deuteranopia (green-blind)

#0049BE

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f40c0;
/* rgb */ color: rgb(47, 64, 192);
/* oklch */ color: oklch(44.8% 0.199 270.0);

Tailwind

colors: {
  custom: {
    50: '#7e75d4',
    500: '#2f40c0',
    950: '#000000',
  },
}

SCSS

$custom: #2f40c0;
$custom-light: #7e75d4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f40c0",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 192
  },
  "hsl": {
    "h": 232.966,
    "s": 60.669,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44764,
    "c": 0.19856,
    "h": 270
  },
  "luminance": 0.08077
}

Semantic roles & 50–950 ramp

primary

#2F40C0

secondary

#CBC37F

accent

#D144E4

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #2F40C0

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

Preview Lab → · Contrast checker → · Palette generator →