#3A33AD#3A33AD

#3A33AD is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.186 H 277.1°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3A33AD
RGB	rgb(58, 51, 173)
HSL	hsl(243, 54%, 44%)
HSV	hsv(243, 71%, 68%)
CMYK	cmyk(66.5%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(30.12, 40.90, -63.95)
CIE-LCH	lch(30.12, 75.91, 302.60°)
OKLab	oklab(41.49% 0.0229 -0.1846)
OKLCH	oklch(41.49% 0.186 277.1)
XYZ	xyz(10.4691, 6.2834, 40.1882)
Luminance	0.0628 (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

#3A33AD #A6AD33

analogous

#3369AD #3A33AD #7733AD

triadic

#3A33AD #AD3A33 #33AD3A

tetradic

#3A33AD #AD3369 #A6AD33 #33AD77

square

#3A33AD #AD3369 #A6AD33 #33AD77

split-complementary

#3A33AD #AD7733 #69AD33

monochromatic

#1A174E #2A257E #3A33AD #5851CC #8681DA

Accessibility & contrast

On white

9.31

#3A33AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3A33AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A33AD

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A33AD	#FFFFFF	#000000	##FFFFFF
##3A33AD	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB1

Deuteranopia (green-blind)

#0042AB

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3a33ad;
/* rgb */ color: rgb(58, 51, 173);
/* oklch */ color: oklch(41.5% 0.186 277.1);

Tailwind

colors: {
  custom: {
    50: '#7f6cc7',
    500: '#3a33ad',
    950: '#000000',
  },
}

SCSS

$custom: #3a33ad;
$custom-light: #7f6cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a33ad",
  "rgb": {
    "r": 58,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 243.443,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41492,
    "c": 0.18607,
    "h": 277.1
  },
  "luminance": 0.06284
}

Semantic roles & 50–950 ramp

primary

#3A33AD

secondary

#BFC379

accent

#DE4AD5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3A33AD

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

Preview Lab → · Contrast checker → · Palette generator →