#3933A9#3933A9

#3933A9 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.0% C 0.181 H 277.1°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#3933A9
RGB	rgb(57, 51, 169)
HSL	hsl(243, 54%, 43%)
HSV	hsv(243, 70%, 66%)
CMYK	cmyk(66.3%, 69.8%, 0%, 33.7%)
CIE-LAB	lab(29.67, 39.44, -62.30)
CIE-LCH	lch(29.67, 73.73, 302.34°)
OKLab	oklab(41.04% 0.0223 -0.1798)
OKLCH	oklch(41.04% 0.181 277.1)
XYZ	xyz(10.0303, 6.1012, 38.1775)
Luminance	0.0610 (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

#3933A9 #A3A933

analogous

#3368A9 #3933A9 #7433A9

triadic

#3933A9 #A93933 #33A939

tetradic

#3933A9 #A93368 #A3A933 #33A974

square

#3933A9 #A93368 #A3A933 #33A974

split-complementary

#3933A9 #A97433 #68A933

monochromatic

#19174B #29257A #3933A9 #554FCA #837ED8

Accessibility & contrast

On white

9.46

#3933A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3933A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933A9

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933A9	#FFFFFF	#000000	##FFFFFF
##3933A9	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3933a9;
/* rgb */ color: rgb(57, 51, 169);
/* oklch */ color: oklch(41.0% 0.181 277.1);

Tailwind

colors: {
  custom: {
    50: '#7e6cc4',
    500: '#3933a9',
    950: '#000000',
  },
}

SCSS

$custom: #3933a9;
$custom-light: #7e6cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3933a9",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 169
  },
  "hsl": {
    "h": 243.051,
    "s": 53.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41035,
    "c": 0.1812,
    "h": 277.1
  },
  "luminance": 0.06102
}

Semantic roles & 50–950 ramp

primary

#3933A9

secondary

#BDC177

accent

#DD4BD6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3933A9

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

Preview Lab → · Contrast checker → · Palette generator →