#3B33B5#3B33B5

#3B33B5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.196 H 276.7°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3B33B5
RGB	rgb(59, 51, 181)
HSL	hsl(244, 56%, 45%)
HSV	hsv(244, 72%, 71%)
CMYK	cmyk(67.4%, 71.8%, 0%, 29%)
CIE-LAB	lab(30.96, 43.64, -67.34)
CIE-LCH	lch(30.96, 80.25, 302.95°)
OKLab	oklab(42.34% 0.0229 -0.1945)
OKLCH	oklch(42.34% 0.196 276.7)
XYZ	xyz(11.3252, 6.6327, 44.3905)
Luminance	0.0663 (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

#3B33B5 #ADB533

analogous

#336CB5 #3B33B5 #7C33B5

triadic

#3B33B5 #B53B33 #33B53B

tetradic

#3B33B5 #B5336C #ADB533 #33B57C

square

#3B33B5 #B5336C #ADB533 #33B57C

split-complementary

#3B33B5 #B57C33 #6CB533

monochromatic

#1C1856 #2B2685 #3B33B5 #5D56CF #8B86DD

Accessibility & contrast

On white

9.03

#3B33B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3B33B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33B5

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33B5	#FFFFFF	#000000	##FFFFFF
##3B33B5	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB9

Deuteranopia (green-blind)

#0043B3

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3b33b5;
/* rgb */ color: rgb(59, 51, 181);
/* oklch */ color: oklch(42.3% 0.196 276.7);

Tailwind

colors: {
  custom: {
    50: '#816ccc',
    500: '#3b33b5',
    950: '#000000',
  },
}

SCSS

$custom: #3b33b5;
$custom-light: #816ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33b5",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 181
  },
  "hsl": {
    "h": 243.692,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42343,
    "c": 0.19586,
    "h": 276.7
  },
  "luminance": 0.06634
}

Semantic roles & 50–950 ramp

primary

#3B33B5

secondary

#C2C67D

accent

#DF48D6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3B33B5

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

Preview Lab → · Contrast checker → · Palette generator →