#3131E2#3131E2

#3131E2 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 46.2% C 0.253 H 270.7°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#3131E2
RGB	rgb(49, 49, 226)
HSL	hsl(240, 75%, 54%)
HSV	hsv(240, 78%, 89%)
CMYK	cmyk(78.3%, 78.3%, 0%, 11.4%)
CIE-LAB	lab(34.68, 58.14, -87.43)
CIE-LCH	lch(34.68, 104.99, 303.62°)
OKLab	oklab(46.2% 0.0033 -0.2531)
OKLCH	oklch(46.2% 0.253 270.7)
XYZ	xyz(16.0877, 8.3388, 72.6984)
Luminance	0.0834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3131E2 #E2E231

analogous

#318AE2 #3131E2 #8A31E2

triadic

#3131E2 #E23131 #31E231

tetradic

#3131E2 #E2318A #E2E231 #31E28A

square

#3131E2 #E2318A #E2E231 #31E28A

split-complementary

#3131E2 #E28A31 #8AE231

monochromatic

#131386 #1A1ABB #3131E2 #6767EA #9C9CF1

Accessibility & contrast

On white

7.87

#3131E2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3131E2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3131E2

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3131E2	#FFFFFF	#000000	##FFFFFF
##3131E2	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AE7

Deuteranopia (green-blind)

#0048DF

Tritanopia (blue-blind)

#00688A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3131e2;
/* rgb */ color: rgb(49, 49, 226);
/* oklch */ color: oklch(46.2% 0.253 270.7);

Tailwind

colors: {
  custom: {
    50: '#886ded',
    500: '#3131e2',
    950: '#000000',
  },
}

SCSS

$custom: #3131e2;
$custom-light: #886ded;
$custom-dark: #000000;

JSON

{
  "hex": "#3131e2",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 226
  },
  "hsl": {
    "h": 240,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.46201,
    "c": 0.25315,
    "h": 270.7
  },
  "luminance": 0.08341
}

Semantic roles & 50–950 ramp

primary

#3131E2

secondary

#DDDD92

accent

#F236F2

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0717

muted

#7E7A85

Preview Lab

Preview with #3131E2

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

Preview Lab → · Contrast checker → · Palette generator →