#2F31BD#2F31BD

#2F31BD is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.1% C 0.211 H 272.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2F31BD
RGB	rgb(47, 49, 189)
HSL	hsl(239, 60%, 46%)
HSV	hsv(239, 75%, 74%)
CMYK	cmyk(75.1%, 74.1%, 0%, 25.9%)
CIE-LAB	lab(30.58, 46.19, -72.73)
CIE-LCH	lch(30.58, 86.16, 302.42°)
OKLab	oklab(42.11% 0.008 -0.2105)
OKLCH	oklch(42.11% 0.211 272.2)
XYZ	xyz(11.4528, 6.4739, 48.7802)
Luminance	0.0648 (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

#2F31BD #BDBB2F

analogous

#2F78BD #2F31BD #742FBD

triadic

#2F31BD #BD2F31 #31BD2F

tetradic

#2F31BD #BD2F78 #BDBB2F #2FBD74

square

#2F31BD #BD2F78 #BDBB2F #2FBD74

split-complementary

#2F31BD #BD742F #78BD2F

monochromatic

#17185B #23248C #2F31BD #5556D5 #8687E1

Accessibility & contrast

On white

9.15

#2F31BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F31BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F31BD

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F31BD	#FFFFFF	#000000	##FFFFFF
##2F31BD	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC1

Deuteranopia (green-blind)

#0041BB

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f31bd;
/* rgb */ color: rgb(47, 49, 189);
/* oklch */ color: oklch(42.1% 0.211 272.2);

Tailwind

colors: {
  custom: {
    50: '#7f6bd2',
    500: '#2f31bd',
    950: '#000000',
  },
}

SCSS

$custom: #2f31bd;
$custom-light: #7f6bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f31bd",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 189
  },
  "hsl": {
    "h": 239.155,
    "s": 60.169,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42111,
    "c": 0.21065,
    "h": 272.2
  },
  "luminance": 0.06475
}

Semantic roles & 50–950 ramp

primary

#2F31BD

secondary

#CAC97E

accent

#E144E3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2F31BD

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

Preview Lab → · Contrast checker → · Palette generator →