#3B33B3#3B33B3

#3B33B3 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.193 H 276.9°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#3B33B3
RGB	rgb(59, 51, 179)
HSL	hsl(244, 56%, 45%)
HSV	hsv(244, 72%, 70%)
CMYK	cmyk(67%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(30.76, 42.99, -66.47)
CIE-LCH	lch(30.76, 79.16, 302.90°)
OKLab	oklab(42.15% 0.0232 -0.192)
OKLCH	oklch(42.15% 0.193 276.9)
XYZ	xyz(11.1215, 6.5512, 43.3175)
Luminance	0.0655 (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

#3B33B3 #ABB333

analogous

#336BB3 #3B33B3 #7B33B3

triadic

#3B33B3 #B33B33 #33B33B

tetradic

#3B33B3 #B3336B #ABB333 #33B37B

square

#3B33B3 #B3336B #ABB333 #33B37B

split-complementary

#3B33B3 #B37B33 #6BB333

monochromatic

#1C1854 #2B2583 #3B33B3 #5C55CE #8A84DC

Accessibility & contrast

On white

9.09

#3B33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3B33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33B3

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33B3	#FFFFFF	#000000	##FFFFFF
##3B33B3	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	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: #3b33b3;
/* rgb */ color: rgb(59, 51, 179);
/* oklch */ color: oklch(42.1% 0.193 276.9);

Tailwind

colors: {
  custom: {
    50: '#816ccb',
    500: '#3b33b3',
    950: '#000000',
  },
}

SCSS

$custom: #3b33b3;
$custom-light: #816ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33b3",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 243.75,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42147,
    "c": 0.19338,
    "h": 276.9
  },
  "luminance": 0.06552
}

Semantic roles & 50–950 ramp

primary

#3B33B3

secondary

#C1C67C

accent

#DF49D6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3B33B3

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

Preview Lab → · Contrast checker → · Palette generator →