#2F31A2#2F31A2

#2F31A2 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.177 H 273.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F31A2
RGB	rgb(47, 49, 162)
HSL	hsl(239, 55%, 41%)
HSV	hsv(239, 71%, 64%)
CMYK	cmyk(71%, 69.8%, 0%, 36.5%)
CIE-LAB	lab(27.87, 37.02, -61.05)
CIE-LCH	lch(27.87, 71.40, 301.23°)
OKLab	oklab(39.36% 0.0121 -0.1764)
OKLCH	oklch(39.36% 0.177 273.9)
XYZ	xyz(8.7900, 5.4088, 34.7562)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F31A2 #A2A02F

analogous

#2F6AA2 #2F31A2 #662FA2

triadic

#2F31A2 #A22F31 #31A22F

tetradic

#2F31A2 #A22F6A #A2A02F #2FA266

square

#2F31A2 #A22F6A #A2A02F #2FA266

split-complementary

#2F31A2 #A2662F #6AA22F

monochromatic

#131443 #212373 #2F31A2 #4547C9 #7576D7

Accessibility & contrast

On white

10.09

#2F31A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F31A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F31A2

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F31A2	#FFFFFF	#000000	##FFFFFF
##2F31A2	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A5

Deuteranopia (green-blind)

#003CA0

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f31a2;
/* rgb */ color: rgb(47, 49, 162);
/* oklch */ color: oklch(39.4% 0.177 273.9);

Tailwind

colors: {
  custom: {
    50: '#786abf',
    500: '#2f31a2',
    950: '#000000',
  },
}

SCSS

$custom: #2f31a2;
$custom-light: #786abf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f31a2",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 162
  },
  "hsl": {
    "h": 238.957,
    "s": 55.024,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39359,
    "c": 0.17687,
    "h": 273.9
  },
  "luminance": 0.0541
}

Semantic roles & 50–950 ramp

primary

#2F31A2

secondary

#BFBD6E

accent

#DC49DE

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F31A2

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

Preview Lab → · Contrast checker → · Palette generator →