#3631C6#3631C6

#3631C6 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.220 H 273.8°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3631C6
RGB	rgb(54, 49, 198)
HSL	hsl(242, 60%, 48%)
HSV	hsv(242, 75%, 78%)
CMYK	cmyk(72.7%, 75.3%, 0%, 22.4%)
CIE-LAB	lab(31.94, 49.73, -75.76)
CIE-LCH	lch(31.94, 90.62, 303.28°)
OKLab	oklab(43.46% 0.0145 -0.2192)
OKLCH	oklch(43.46% 0.22 273.8)
XYZ	xyz(12.8093, 7.0568, 54.1022)
Luminance	0.0706 (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

#3631C6 #C1C631

analogous

#3177C6 #3631C6 #8031C6

triadic

#3631C6 #C63631 #31C636

tetradic

#3631C6 #C63177 #C1C631 #31C680

square

#3631C6 #C63177 #C1C631 #31C680

split-complementary

#3631C6 #C68031 #77C631

monochromatic

#1B1964 #292595 #3631C6 #615DD7 #918EE3

Accessibility & contrast

On white

8.71

#3631C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3631C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3631C6

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3631C6	#FFFFFF	#000000	##FFFFFF
##3631C6	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052CA

Deuteranopia (green-blind)

#0044C3

Tritanopia (blue-blind)

#005D7A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3631c6;
/* rgb */ color: rgb(54, 49, 198);
/* oklch */ color: oklch(43.5% 0.220 273.8);

Tailwind

colors: {
  custom: {
    50: '#836cd9',
    500: '#3631c6',
    950: '#000000',
  },
}

SCSS

$custom: #3631c6;
$custom-light: #836cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3631c6",
  "rgb": {
    "r": 54,
    "g": 49,
    "b": 198
  },
  "hsl": {
    "h": 242.013,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43463,
    "c": 0.21965,
    "h": 273.8
  },
  "luminance": 0.07058
}

Semantic roles & 50–950 ramp

primary

#3631C6

secondary

#CBCE85

accent

#E344DE

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3631C6

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

Preview Lab → · Contrast checker → · Palette generator →