#3133C1#3133C1

#3133C1 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.9% C 0.213 H 272.3°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3133C1
RGB	rgb(49, 51, 193)
HSL	hsl(239, 60%, 47%)
HSV	hsv(239, 75%, 76%)
CMYK	cmyk(74.6%, 73.6%, 0%, 24.3%)
CIE-LAB	lab(31.51, 46.56, -73.54)
CIE-LCH	lch(31.51, 87.05, 302.34°)
OKLab	oklab(42.93% 0.0087 -0.2128)
OKLCH	oklch(42.93% 0.213 272.3)
XYZ	xyz(12.0728, 6.8696, 51.1314)
Luminance	0.0687 (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

#3133C1 #C1BF31

analogous

#317BC1 #3133C1 #7731C1

triadic

#3133C1 #C13133 #33C131

tetradic

#3133C1 #C1317B #C1BF31 #31C177

square

#3133C1 #C1317B #C1BF31 #31C177

split-complementary

#3133C1 #C17731 #7BC131

monochromatic

#18195F #252690 #3133C1 #5A5CD5 #8B8CE2

Accessibility & contrast

On white

8.85

#3133C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3133C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133C1

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3133C1	#FFFFFF	#000000	##FFFFFF
##3133C1	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C5

Deuteranopia (green-blind)

#0043BE

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3133c1;
/* rgb */ color: rgb(49, 51, 193);
/* oklch */ color: oklch(42.9% 0.213 272.3);

Tailwind

colors: {
  custom: {
    50: '#806cd5',
    500: '#3133c1',
    950: '#000000',
  },
}

SCSS

$custom: #3133c1;
$custom-light: #806cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3133c1",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 193
  },
  "hsl": {
    "h": 239.167,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.42926,
    "c": 0.21303,
    "h": 272.3
  },
  "luminance": 0.06871
}

Semantic roles & 50–950 ramp

primary

#3133C1

secondary

#CCCB82

accent

#E045E3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3133C1

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

Preview Lab → · Contrast checker → · Palette generator →