#3A33B3#3A33B3

#3A33B3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.1% C 0.194 H 276.5°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3A33B3
RGB	rgb(58, 51, 179)
HSL	hsl(243, 56%, 45%)
HSV	hsv(243, 72%, 70%)
CMYK	cmyk(67.6%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(30.69, 42.87, -66.59)
CIE-LCH	lch(30.69, 79.20, 302.77°)
OKLab	oklab(42.08% 0.0219 -0.1924)
OKLCH	oklch(42.08% 0.194 276.5)
XYZ	xyz(11.0628, 6.5209, 43.3147)
Luminance	0.0652 (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

#3A33B3 #ACB333

analogous

#336CB3 #3A33B3 #7A33B3

triadic

#3A33B3 #B33A33 #33B33A

tetradic

#3A33B3 #B3336C #ACB333 #33B37A

square

#3A33B3 #B3336C #ACB333 #33B37A

split-complementary

#3A33B3 #B37A33 #6CB333

monochromatic

#1B1854 #2B2583 #3A33B3 #5B55CE #8984DC

Accessibility & contrast

On white

9.11

#3A33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3A33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A33B3

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A33B3	#FFFFFF	#000000	##FFFFFF
##3A33B3	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3a33b3;
/* rgb */ color: rgb(58, 51, 179);
/* oklch */ color: oklch(42.1% 0.194 276.5);

Tailwind

colors: {
  custom: {
    50: '#816ccb',
    500: '#3a33b3',
    950: '#000000',
  },
}

SCSS

$custom: #3a33b3;
$custom-light: #816ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a33b3",
  "rgb": {
    "r": 58,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 243.281,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42076,
    "c": 0.19361,
    "h": 276.5
  },
  "luminance": 0.06522
}

Semantic roles & 50–950 ramp

primary

#3A33B3

secondary

#C2C67C

accent

#DF49D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3A33B3

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

Preview Lab → · Contrast checker → · Palette generator →