#3133E2#3133E2

#3133E2 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.4% C 0.252 H 270.6°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3133E2
RGB	rgb(49, 51, 226)
HSL	hsl(239, 75%, 54%)
HSV	hsv(239, 78%, 89%)
CMYK	cmyk(78.3%, 77.4%, 0%, 11.4%)
CIE-LAB	lab(35.02, 57.14, -86.86)
CIE-LCH	lch(35.02, 103.97, 303.34°)
OKLab	oklab(46.44% 0.0028 -0.2515)
OKLCH	oklch(46.44% 0.252 270.6)
XYZ	xyz(16.1733, 8.5098, 72.7269)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3133E2 #E2E031

analogous

#318CE2 #3133E2 #8831E2

triadic

#3133E2 #E23133 #33E231

tetradic

#3133E2 #E2318C #E2E031 #31E288

square

#3133E2 #E2318C #E2E031 #31E288

split-complementary

#3133E2 #E28831 #8CE231

monochromatic

#131486 #1A1CBB #3133E2 #6768EA #9C9DF1

Accessibility & contrast

On white

7.77

#3133E2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3133E2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133E2

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3133E2	#FFFFFF	#000000	##FFFFFF
##3133E2	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BE7

Deuteranopia (green-blind)

#0049DF

Tritanopia (blue-blind)

#00698A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3133e2;
/* rgb */ color: rgb(49, 51, 226);
/* oklch */ color: oklch(46.4% 0.252 270.6);

Tailwind

colors: {
  custom: {
    50: '#886eed',
    500: '#3133e2',
    950: '#000000',
  },
}

SCSS

$custom: #3133e2;
$custom-light: #886eed;
$custom-dark: #000000;

JSON

{
  "hex": "#3133e2",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 226
  },
  "hsl": {
    "h": 239.322,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.46442,
    "c": 0.25153,
    "h": 270.6
  },
  "luminance": 0.08512
}

Semantic roles & 50–950 ramp

primary

#3133E2

secondary

#DDDC92

accent

#F036F2

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0717

muted

#7E7A85

Preview Lab

Preview with #3133E2

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

Preview Lab → · Contrast checker → · Palette generator →