#3F3299#3F3299

#3F3299 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.160 H 282.0°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F3299
RGB	rgb(63, 50, 153)
HSL	hsl(248, 51%, 40%)
HSV	hsv(248, 67%, 60%)
CMYK	cmyk(58.8%, 67.3%, 0%, 40%)
CIE-LAB	lab(28.48, 35.66, -54.53)
CIE-LCH	lch(28.48, 65.15, 303.18°)
OKLab	oklab(39.86% 0.0334 -0.1569)
OKLCH	oklch(39.86% 0.16 282)
XYZ	xyz(8.9385, 5.6373, 30.7479)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3299 #8C9932

analogous

#325899 #3F3299 #733299

triadic

#3F3299 #993F32 #32993F

tetradic

#3F3299 #993258 #8C9932 #329973

square

#3F3299 #993258 #8C9932 #329973

split-complementary

#3F3299 #997332 #589932

monochromatic

#19143D #2C236B #3F3299 #5546C2 #8074D2

Accessibility & contrast

On white

9.87

#3F3299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3F3299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3299

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3299	#FFFFFF	#000000	##FFFFFF
##3F3299	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#0A4C61

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f3299;
/* rgb */ color: rgb(63, 50, 153);
/* oklch */ color: oklch(39.9% 0.160 282.0);

Tailwind

colors: {
  custom: {
    50: '#7e6bb8',
    500: '#3f3299',
    950: '#000000',
  },
}

SCSS

$custom: #3f3299;
$custom-light: #7e6bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3299",
  "rgb": {
    "r": 63,
    "g": 50,
    "b": 153
  },
  "hsl": {
    "h": 247.573,
    "s": 50.739,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39856,
    "c": 0.16041,
    "h": 282
  },
  "luminance": 0.05638
}

Semantic roles & 50–950 ramp

primary

#3F3299

secondary

#B0BA6D

accent

#DA4EC8

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #3F3299

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

Preview Lab → · Contrast checker → · Palette generator →