#3B33D1#3B33D1

#3B33D1 is a mid, highly saturated blue. Relative luminance 0.079; OKLCH L 45.2% C 0.230 H 274.4°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3B33D1
RGB	rgb(59, 51, 209)
HSL	hsl(243, 63%, 51%)
HSV	hsv(243, 76%, 82%)
CMYK	cmyk(71.8%, 75.6%, 0%, 18%)
CIE-LAB	lab(33.77, 52.58, -79.12)
CIE-LCH	lch(33.77, 95.00, 303.61°)
OKLab	oklab(45.18% 0.0174 -0.2289)
OKLCH	oklch(45.18% 0.23 274.4)
XYZ	xyz(14.4923, 7.8995, 61.0702)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.16

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B33D1 #C9D133

analogous

#337AD1 #3B33D1 #8A33D1

triadic

#3B33D1 #D13B33 #33D13B

tetradic

#3B33D1 #D1337A #C9D133 #33D18A

square

#3B33D1 #D1337A #C9D133 #33D18A

split-complementary

#3B33D1 #D18A33 #7AD133

monochromatic

#1E1970 #2B25A2 #3B33D1 #6B65DC #9B97E8

Accessibility & contrast

On white

8.14

#3B33D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3B33D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33D1

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33D1	#FFFFFF	#000000	##FFFFFF
##3B33D1	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D6

Deuteranopia (green-blind)

#0048CE

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b33d1;
/* rgb */ color: rgb(59, 51, 209);
/* oklch */ color: oklch(45.2% 0.230 274.4);

Tailwind

colors: {
  custom: {
    50: '#876ee1',
    500: '#3b33d1',
    950: '#000000',
  },
}

SCSS

$custom: #3b33d1;
$custom-light: #876ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33d1",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 209
  },
  "hsl": {
    "h": 243.038,
    "s": 63.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45181,
    "c": 0.22952,
    "h": 274.4
  },
  "luminance": 0.07901
}

Semantic roles & 50–950 ramp

primary

#3B33D1

secondary

#CFD38D

accent

#E642DE

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0715

muted

#7E7A84

Preview Lab

Preview with #3B33D1

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

Preview Lab → · Contrast checker → · Palette generator →