#2F40AE#2F40AE

#2F40AE is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.175 H 270.4°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F40AE
RGB	rgb(47, 64, 174)
HSL	hsl(232, 57%, 43%)
HSV	hsv(232, 73%, 68%)
CMYK	cmyk(73%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(32.54, 31.78, -60.61)
CIE-LCH	lch(32.54, 68.44, 297.67°)
OKLab	oklab(43.1% 0.0011 -0.1751)
OKLCH	oklch(43.1% 0.175 270.4)
XYZ	xyz(10.6431, 7.3260, 40.8893)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F40AE #AE9D2F

analogous

#2F7FAE #2F40AE #5E2FAE

triadic

#2F40AE #AE2F40 #40AE2F

tetradic

#2F40AE #AE2F7F #AE9D2F #2FAE5E

square

#2F40AE #AE2F7F #AE9D2F #2FAE5E

split-complementary

#2F40AE #AE5E2F #7FAE2F

monochromatic

#151D4E #222E7E #2F40AE #4C5DCF #7C89DC

Accessibility & contrast

On white

8.52

#2F40AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2F40AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F40AE

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F40AE	#FFFFFF	#000000	##FFFFFF
##2F40AE	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B2

Deuteranopia (green-blind)

#0047AC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f40ae;
/* rgb */ color: rgb(47, 64, 174);
/* oklch */ color: oklch(43.1% 0.175 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a74c7',
    500: '#2f40ae',
    950: '#000000',
  },
}

SCSS

$custom: #2f40ae;
$custom-light: #7a74c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f40ae",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 231.969,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43098,
    "c": 0.17509,
    "h": 270.4
  },
  "luminance": 0.07327
}

Semantic roles & 50–950 ramp

primary

#2F40AE

secondary

#C4B975

accent

#CC47E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F40AE

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

Preview Lab → · Contrast checker → · Palette generator →