#3933BC#3933BC

#3933BC is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.9% C 0.205 H 275.3°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3933BC
RGB	rgb(57, 51, 188)
HSL	hsl(243, 57%, 47%)
HSV	hsv(243, 73%, 74%)
CMYK	cmyk(69.7%, 72.9%, 0%, 26.3%)
CIE-LAB	lab(31.50, 45.70, -70.59)
CIE-LCH	lch(31.50, 84.09, 302.92°)
OKLab	oklab(42.9% 0.0191 -0.2041)
OKLCH	oklch(42.9% 0.205 275.3)
XYZ	xyz(11.9453, 6.8672, 48.2632)
Luminance	0.0687 (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

#3933BC #B6BC33

analogous

#3372BC #3933BC #7E33BC

triadic

#3933BC #BC3933 #33BC39

tetradic

#3933BC #BC3372 #B6BC33 #33BC7E

square

#3933BC #BC3372 #B6BC33 #33BC7E

split-complementary

#3933BC #BC7E33 #72BC33

monochromatic

#1C195C #2A268C #3933BC #5F5AD2 #8E8ADF

Accessibility & contrast

On white

8.85

#3933BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3933BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933BC

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933BC	#FFFFFF	#000000	##FFFFFF
##3933BC	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C0

Deuteranopia (green-blind)

#0044BA

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3933bc;
/* rgb */ color: rgb(57, 51, 188);
/* oklch */ color: oklch(42.9% 0.205 275.3);

Tailwind

colors: {
  custom: {
    50: '#826cd1',
    500: '#3933bc',
    950: '#000000',
  },
}

SCSS

$custom: #3933bc;
$custom-light: #826cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3933bc",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 188
  },
  "hsl": {
    "h": 242.628,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42903,
    "c": 0.20495,
    "h": 275.3
  },
  "luminance": 0.06868
}

Semantic roles & 50–950 ramp

primary

#3933BC

secondary

#C6C981

accent

#E147DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3933BC

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

Preview Lab → · Contrast checker → · Palette generator →