#3933B2#3933B2

#3933B2 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.193 H 276.2°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#3933B2
RGB	rgb(57, 51, 178)
HSL	hsl(243, 55%, 45%)
HSV	hsv(243, 71%, 70%)
CMYK	cmyk(68%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(30.52, 42.43, -66.27)
CIE-LCH	lch(30.52, 78.69, 302.63°)
OKLab	oklab(41.91% 0.0208 -0.1915)
OKLCH	oklch(41.91% 0.193 276.2)
XYZ	xyz(10.9044, 6.4509, 42.7813)
Luminance	0.0645 (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

#3933B2 #ACB233

analogous

#336CB2 #3933B2 #7933B2

triadic

#3933B2 #B23933 #33B239

tetradic

#3933B2 #B2336C #ACB233 #33B279

square

#3933B2 #B2336C #ACB233 #33B279

split-complementary

#3933B2 #B27933 #6CB233

monochromatic

#1B1853 #2A2582 #3933B2 #5A54CE #8884DC

Accessibility & contrast

On white

9.17

#3933B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3933B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933B2

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933B2	#FFFFFF	#000000	##FFFFFF
##3933B2	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB6

Deuteranopia (green-blind)

#0042B0

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3933b2;
/* rgb */ color: rgb(57, 51, 178);
/* oklch */ color: oklch(41.9% 0.193 276.2);

Tailwind

colors: {
  custom: {
    50: '#806cca',
    500: '#3933b2',
    950: '#000000',
  },
}

SCSS

$custom: #3933b2;
$custom-light: #806cca;
$custom-dark: #000000;

JSON

{
  "hex": "#3933b2",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 242.835,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41909,
    "c": 0.19259,
    "h": 276.2
  },
  "luminance": 0.06452
}

Semantic roles & 50–950 ramp

primary

#3933B2

secondary

#C2C57C

accent

#DF49D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3933B2

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

Preview Lab → · Contrast checker → · Palette generator →