#2F3F9F#2F3F9F

#2F3F9F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.156 H 270.8°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F3F9F
RGB	rgb(47, 63, 159)
HSL	hsl(231, 54%, 40%)
HSV	hsv(231, 70%, 62%)
CMYK	cmyk(70.4%, 60.4%, 0%, 37.6%)
CIE-LAB	lab(31.02, 26.93, -54.07)
CIE-LCH	lch(31.02, 60.40, 296.48°)
OKLab	oklab(41.59% 0.0021 -0.1559)
OKLCH	oklch(41.59% 0.156 270.8)
XYZ	xyz(9.2057, 6.6617, 33.5948)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3F9F #9F8F2F

analogous

#2F779F #2F3F9F #572F9F

triadic

#2F3F9F #9F2F3F #3F9F2F

tetradic

#2F3F9F #9F2F77 #9F8F2F #2F9F57

square

#2F3F9F #9F2F77 #9F8F2F #2F9F57

split-complementary

#2F3F9F #9F572F #779F2F

monochromatic

#131A41 #212C70 #2F3F9F #4456C8 #7381D6

Accessibility & contrast

On white

9.00

#2F3F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2F3F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3F9F

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3F9F	#FFFFFF	#000000	##FFFFFF
##2F3F9F	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00449D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3f9f;
/* rgb */ color: rgb(47, 63, 159);
/* oklch */ color: oklch(41.6% 0.156 270.8);

Tailwind

colors: {
  custom: {
    50: '#7673bc',
    500: '#2f3f9f',
    950: '#000000',
  },
}

SCSS

$custom: #2f3f9f;
$custom-light: #7673bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3f9f",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 159
  },
  "hsl": {
    "h": 231.429,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41587,
    "c": 0.15592,
    "h": 270.8
  },
  "luminance": 0.06663
}

Semantic roles & 50–950 ramp

primary

#2F3F9F

secondary

#BDB26D

accent

#C94ADE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F3F9F

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

Preview Lab → · Contrast checker → · Palette generator →