#3A31AD#3A31AD

#3A31AD is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.2% C 0.188 H 277.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A31AD
RGB	rgb(58, 49, 173)
HSL	hsl(244, 56%, 44%)
HSV	hsv(244, 72%, 68%)
CMYK	cmyk(66.5%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(29.69, 42.06, -64.65)
CIE-LCH	lch(29.69, 77.13, 303.05°)
OKLab	oklab(41.19% 0.0243 -0.1867)
OKLCH	oklch(41.19% 0.188 277.4)
XYZ	xyz(10.3836, 6.1124, 40.1597)
Luminance	0.0611 (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

#3A31AD #A4AD31

analogous

#3166AD #3A31AD #7831AD

triadic

#3A31AD #AD3A31 #31AD3A

tetradic

#3A31AD #AD3166 #A4AD31 #31AD78

square

#3A31AD #AD3166 #A4AD31 #31AD78

split-complementary

#3A31AD #AD7831 #66AD31

monochromatic

#1A164E #2A237D #3A31AD #574ECD #857EDA

Accessibility & contrast

On white

9.45

#3A31AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3A31AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A31AD

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A31AD	#FFFFFF	#000000	##FFFFFF
##3A31AD	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB1

Deuteranopia (green-blind)

#0041AB

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3a31ad;
/* rgb */ color: rgb(58, 49, 173);
/* oklch */ color: oklch(41.2% 0.188 277.4);

Tailwind

colors: {
  custom: {
    50: '#7f6bc7',
    500: '#3a31ad',
    950: '#000000',
  },
}

SCSS

$custom: #3a31ad;
$custom-light: #7f6bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a31ad",
  "rgb": {
    "r": 58,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 244.355,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4119,
    "c": 0.18824,
    "h": 277.4
  },
  "luminance": 0.06113
}

Semantic roles & 50–950 ramp

primary

#3A31AD

secondary

#BEC377

accent

#DF49D4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3A31AD

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

Preview Lab → · Contrast checker → · Palette generator →