#3933B6#3933B6

#3933B6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.198 H 275.9°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#3933B6
RGB	rgb(57, 51, 182)
HSL	hsl(243, 56%, 46%)
HSV	hsv(243, 72%, 71%)
CMYK	cmyk(68.7%, 72%, 0%, 28.6%)
CIE-LAB	lab(30.91, 43.74, -68.01)
CIE-LCH	lch(30.91, 80.86, 302.75°)
OKLab	oklab(42.3% 0.0202 -0.1965)
OKLCH	oklch(42.3% 0.198 275.9)
XYZ	xyz(11.3119, 6.6139, 44.9274)
Luminance	0.0662 (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

#3933B6 #B0B633

analogous

#336EB6 #3933B6 #7A33B6

triadic

#3933B6 #B63933 #33B639

tetradic

#3933B6 #B6336E #B0B633 #33B67A

square

#3933B6 #B6336E #B0B633 #33B67A

split-complementary

#3933B6 #B67A33 #6EB633

monochromatic

#1B1856 #2A2686 #3933B6 #5C56D0 #8A86DD

Accessibility & contrast

On white

9.04

#3933B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3933B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933B6

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933B6	#FFFFFF	#000000	##FFFFFF
##3933B6	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBA

Deuteranopia (green-blind)

#0043B4

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3933b6;
/* rgb */ color: rgb(57, 51, 182);
/* oklch */ color: oklch(42.3% 0.198 275.9);

Tailwind

colors: {
  custom: {
    50: '#816ccd',
    500: '#3933b6',
    950: '#000000',
  },
}

SCSS

$custom: #3933b6;
$custom-light: #816ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#3933b6",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 182
  },
  "hsl": {
    "h": 242.748,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42304,
    "c": 0.19757,
    "h": 275.9
  },
  "luminance": 0.06615
}

Semantic roles & 50–950 ramp

primary

#3933B6

secondary

#C4C77E

accent

#E048D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3933B6

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

Preview Lab → · Contrast checker → · Palette generator →