#3133AE#3133AE

#3133AE is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.0% C 0.190 H 273.5°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#3133AE
RGB	rgb(49, 51, 174)
HSL	hsl(239, 56%, 44%)
HSV	hsv(239, 72%, 68%)
CMYK	cmyk(71.8%, 70.7%, 0%, 31.8%)
CIE-LAB	lab(29.60, 40.17, -65.42)
CIE-LCH	lch(29.60, 76.77, 301.55°)
OKLab	oklab(40.99% 0.0116 -0.1892)
OKLCH	oklch(40.99% 0.19 273.5)
XYZ	xyz(10.0879, 6.0756, 40.6773)
Luminance	0.0608 (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

#3133AE #AEAC31

analogous

#3171AE #3133AE #6D31AE

triadic

#3133AE #AE3133 #33AE31

tetradic

#3133AE #AE3171 #AEAC31 #31AE6D

square

#3133AE #AE3171 #AEAC31 #31AE6D

split-complementary

#3133AE #AE6D31 #71AE31

monochromatic

#16174E #24257E #3133AE #4F51CD #7F80DB

Accessibility & contrast

On white

9.48

#3133AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3133AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133AE

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3133AE	#FFFFFF	#000000	##FFFFFF
##3133AE	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB2

Deuteranopia (green-blind)

#0040AC

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3133ae;
/* rgb */ color: rgb(49, 51, 174);
/* oklch */ color: oklch(41.0% 0.190 273.5);

Tailwind

colors: {
  custom: {
    50: '#7c6cc7',
    500: '#3133ae',
    950: '#000000',
  },
}

SCSS

$custom: #3133ae;
$custom-light: #7c6cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3133ae",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 174
  },
  "hsl": {
    "h": 239.04,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40993,
    "c": 0.18953,
    "h": 273.5
  },
  "luminance": 0.06077
}

Semantic roles & 50–950 ramp

primary

#3133AE

secondary

#C4C277

accent

#DD48DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3133AE

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

Preview Lab → · Contrast checker → · Palette generator →