#3C31AA#3C31AA

#3C31AA is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.0% C 0.184 H 278.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#3C31AA
RGB	rgb(60, 49, 170)
HSL	hsl(245, 55%, 43%)
HSV	hsv(245, 71%, 67%)
CMYK	cmyk(64.7%, 71.2%, 0%, 33.3%)
CIE-LAB	lab(29.56, 41.34, -63.06)
CIE-LCH	lch(29.56, 75.41, 303.25°)
OKLab	oklab(41.05% 0.0275 -0.182)
OKLCH	oklch(41.05% 0.184 278.6)
XYZ	xyz(10.2152, 6.0587, 38.6536)
Luminance	0.0606 (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

#3C31AA #9FAA31

analogous

#3162AA #3C31AA #7931AA

triadic

#3C31AA #AA3C31 #31AA3C

tetradic

#3C31AA #AA3162 #9FAA31 #31AA79

square

#3C31AA #AA3162 #9FAA31 #31AA79

split-complementary

#3C31AA #AA7931 #62AA31

monochromatic

#1A164B #2B237A #3C31AA #584DCC #857CD9

Accessibility & contrast

On white

9.49

#3C31AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3C31AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C31AA

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C31AA	#FFFFFF	#000000	##FFFFFF
##3C31AA	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAE

Deuteranopia (green-blind)

#0041A8

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3c31aa;
/* rgb */ color: rgb(60, 49, 170);
/* oklch */ color: oklch(41.0% 0.184 278.6);

Tailwind

colors: {
  custom: {
    50: '#806bc4',
    500: '#3c31aa',
    950: '#000000',
  },
}

SCSS

$custom: #3c31aa;
$custom-light: #806bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3c31aa",
  "rgb": {
    "r": 60,
    "g": 49,
    "b": 170
  },
  "hsl": {
    "h": 245.455,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41046,
    "c": 0.18405,
    "h": 278.6
  },
  "luminance": 0.0606
}

Semantic roles & 50–950 ramp

primary

#3C31AA

secondary

#BBC275

accent

#DF49D1

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3C31AA

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

Preview Lab → · Contrast checker → · Palette generator →