#2F31BE#2F31BE

#2F31BE is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.212 H 272.1°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#2F31BE
RGB	rgb(47, 49, 190)
HSL	hsl(239, 60%, 46%)
HSV	hsv(239, 75%, 75%)
CMYK	cmyk(75.3%, 74.2%, 0%, 25.5%)
CIE-LAB	lab(30.68, 46.53, -73.15)
CIE-LCH	lch(30.68, 86.69, 302.46°)
OKLab	oklab(42.22% 0.0078 -0.2117)
OKLCH	oklch(42.22% 0.212 272.1)
XYZ	xyz(11.5617, 6.5174, 49.3539)
Luminance	0.0652 (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

#2F31BE #BEBC2F

analogous

#2F79BE #2F31BE #752FBE

triadic

#2F31BE #BE2F31 #31BE2F

tetradic

#2F31BE #BE2F79 #BEBC2F #2FBE75

square

#2F31BE #BE2F79 #BEBC2F #2FBE75

split-complementary

#2F31BE #BE752F #79BE2F

monochromatic

#17185C #23248D #2F31BE #5557D5 #8688E1

Accessibility & contrast

On white

9.12

#2F31BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F31BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F31BE

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F31BE	#FFFFFF	#000000	##FFFFFF
##2F31BE	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC2

Deuteranopia (green-blind)

#0041BB

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f31be;
/* rgb */ color: rgb(47, 49, 190);
/* oklch */ color: oklch(42.2% 0.212 272.1);

Tailwind

colors: {
  custom: {
    50: '#7f6bd3',
    500: '#2f31be',
    950: '#000000',
  },
}

SCSS

$custom: #2f31be;
$custom-light: #7f6bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f31be",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 190
  },
  "hsl": {
    "h": 239.161,
    "s": 60.338,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42216,
    "c": 0.21186,
    "h": 272.1
  },
  "luminance": 0.06519
}

Semantic roles & 50–950 ramp

primary

#2F31BE

secondary

#CBCA7E

accent

#E144E3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2F31BE

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

Preview Lab → · Contrast checker → · Palette generator →