#3631AE#3631AE

#3631AE is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.0% C 0.190 H 275.7°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#3631AE
RGB	rgb(54, 49, 174)
HSL	hsl(242, 56%, 44%)
HSV	hsv(242, 72%, 68%)
CMYK	cmyk(69%, 71.8%, 0%, 31.8%)
CIE-LAB	lab(29.50, 41.91, -65.57)
CIE-LCH	lch(29.50, 77.82, 302.59°)
OKLab	oklab(41.01% 0.019 -0.1895)
OKLCH	oklch(41.01% 0.19 275.7)
XYZ	xyz(10.2571, 6.0360, 40.6607)
Luminance	0.0604 (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

#3631AE #A9AE31

analogous

#316AAE #3631AE #7431AE

triadic

#3631AE #AE3631 #31AE36

tetradic

#3631AE #AE316A #A9AE31 #31AE74

square

#3631AE #AE316A #A9AE31 #31AE74

split-complementary

#3631AE #AE7431 #6AAE31

monochromatic

#18164E #27247E #3631AE #544FCD #827FDB

Accessibility & contrast

On white

9.51

#3631AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3631AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3631AE

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3631AE	#FFFFFF	#000000	##FFFFFF
##3631AE	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB2

Deuteranopia (green-blind)

#0040AC

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3631ae;
/* rgb */ color: rgb(54, 49, 174);
/* oklch */ color: oklch(41.0% 0.190 275.7);

Tailwind

colors: {
  custom: {
    50: '#7e6ac7',
    500: '#3631ae',
    950: '#000000',
  },
}

SCSS

$custom: #3631ae;
$custom-light: #7e6ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3631ae",
  "rgb": {
    "r": 54,
    "g": 49,
    "b": 174
  },
  "hsl": {
    "h": 242.4,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41008,
    "c": 0.19043,
    "h": 275.7
  },
  "luminance": 0.06037
}

Semantic roles & 50–950 ramp

primary

#3631AE

secondary

#C1C477

accent

#DF48D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3631AE

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

Preview Lab → · Contrast checker → · Palette generator →