#3A31AA#3A31AA

#3A31AA is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.184 H 277.7°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#3A31AA
RGB	rgb(58, 49, 170)
HSL	hsl(244, 55%, 43%)
HSV	hsv(244, 71%, 67%)
CMYK	cmyk(65.9%, 71.2%, 0%, 33.3%)
CIE-LAB	lab(29.41, 41.08, -63.32)
CIE-LCH	lch(29.41, 75.48, 302.98°)
OKLab	oklab(40.9% 0.0248 -0.1828)
OKLCH	oklch(40.9% 0.184 277.7)
XYZ	xyz(10.0966, 5.9976, 38.6480)
Luminance	0.0600 (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

#3A31AA #A1AA31

analogous

#3164AA #3A31AA #7631AA

triadic

#3A31AA #AA3A31 #31AA3A

tetradic

#3A31AA #AA3164 #A1AA31 #31AA76

square

#3A31AA #AA3164 #A1AA31 #31AA76

split-complementary

#3A31AA #AA7631 #64AA31

monochromatic

#1A164B #2A237A #3A31AA #564DCC #837CD9

Accessibility & contrast

On white

9.55

#3A31AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3A31AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A31AA

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A31AA	#FFFFFF	#000000	##FFFFFF
##3A31AA	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAE

Deuteranopia (green-blind)

#0040A8

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3a31aa;
/* rgb */ color: rgb(58, 49, 170);
/* oklch */ color: oklch(40.9% 0.184 277.7);

Tailwind

colors: {
  custom: {
    50: '#7f6ac4',
    500: '#3a31aa',
    950: '#000000',
  },
}

SCSS

$custom: #3a31aa;
$custom-light: #7f6ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a31aa",
  "rgb": {
    "r": 58,
    "g": 49,
    "b": 170
  },
  "hsl": {
    "h": 244.463,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40897,
    "c": 0.18447,
    "h": 277.7
  },
  "luminance": 0.05998
}

Semantic roles & 50–950 ramp

primary

#3A31AA

secondary

#BCC275

accent

#DF49D3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3A31AA

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

Preview Lab → · Contrast checker → · Palette generator →