#3F359B#3F359B

#3F359B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.159 H 281.0°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F359B
RGB	rgb(63, 53, 155)
HSL	hsl(246, 49%, 41%)
HSV	hsv(246, 66%, 61%)
CMYK	cmyk(59.4%, 65.8%, 0%, 39.2%)
CIE-LAB	lab(29.33, 34.48, -54.35)
CIE-LCH	lch(29.33, 64.36, 302.39°)
OKLab	oklab(40.53% 0.0304 -0.1564)
OKLCH	oklch(40.53% 0.159 281)
XYZ	xyz(9.2375, 5.9689, 31.6693)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.96

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F359B #919B35

analogous

#355E9B #3F359B #72359B

triadic

#3F359B #9B3F35 #359B3F

tetradic

#3F359B #9B355E #919B35 #359B72

square

#3F359B #9B355E #919B35 #359B72

split-complementary

#3F359B #9B7235 #5E9B35

monochromatic

#1A1640 #2C256D #3F359B #574CC2 #8279D1

Accessibility & contrast

On white

9.57

#3F359B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3F359B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F359B

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F359B	#FFFFFF	#000000	##FFFFFF
##3F359B	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#004199

Tritanopia (blue-blind)

#044F63

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f359b;
/* rgb */ color: rgb(63, 53, 155);
/* oklch */ color: oklch(40.5% 0.159 281.0);

Tailwind

colors: {
  custom: {
    50: '#7e6db9',
    500: '#3f359b',
    950: '#000000',
  },
}

SCSS

$custom: #3f359b;
$custom-light: #7e6db9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f359b",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 155
  },
  "hsl": {
    "h": 245.882,
    "s": 49.038,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40529,
    "c": 0.15929,
    "h": 281
  },
  "luminance": 0.0597
}

Semantic roles & 50–950 ramp

primary

#3F359B

secondary

#B3BA72

accent

#D94FCB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F359B

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

Preview Lab → · Contrast checker → · Palette generator →