#2F31CA#2F31CA

#2F31CA is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.226 H 271.4°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F31CA
RGB	rgb(47, 49, 202)
HSL	hsl(239, 62%, 49%)
HSV	hsv(239, 77%, 79%)
CMYK	cmyk(76.7%, 75.7%, 0%, 20.8%)
CIE-LAB	lab(31.95, 50.45, -78.09)
CIE-LCH	lch(31.95, 92.96, 302.86°)
OKLab	oklab(43.49% 0.0057 -0.2261)
OKLCH	oklch(43.49% 0.226 271.4)
XYZ	xyz(12.9277, 7.0638, 56.5478)
Luminance	0.0707 (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

#2F31CA #CAC82F

analogous

#2F7FCA #2F31CA #7B2FCA

triadic

#2F31CA #CA2F31 #31CA2F

tetradic

#2F31CA #CA2F7F #CAC82F #2FCA7B

square

#2F31CA #CA2F7F #CAC82F #2FCA7B

split-complementary

#2F31CA #CA7B2F #7FCA2F

monochromatic

#181967 #232598 #2F31CA #5D5FD9 #8F90E5

Accessibility & contrast

On white

8.70

#2F31CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2F31CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F31CA

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F31CA	#FFFFFF	#000000	##FFFFFF
##2F31CA	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CE

Deuteranopia (green-blind)

#0043C7

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f31ca;
/* rgb */ color: rgb(47, 49, 202);
/* oklch */ color: oklch(43.5% 0.226 271.4);

Tailwind

colors: {
  custom: {
    50: '#826bdc',
    500: '#2f31ca',
    950: '#000000',
  },
}

SCSS

$custom: #2f31ca;
$custom-light: #826bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f31ca",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 202
  },
  "hsl": {
    "h": 239.226,
    "s": 62.249,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4349,
    "c": 0.22615,
    "h": 271.4
  },
  "luminance": 0.07065
}

Semantic roles & 50–950 ramp

primary

#2F31CA

secondary

#CFCE86

accent

#E342E5

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2F31CA

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

Preview Lab → · Contrast checker → · Palette generator →