#3F609C#3F609C

#3F609C is a mid, moderate blue. Relative luminance 0.118; OKLCH L 49.3% C 0.104 H 261.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F609C
RGB	rgb(63, 96, 156)
HSL	hsl(219, 42%, 43%)
HSV	hsv(219, 60%, 61%)
CMYK	cmyk(59.6%, 38.5%, 0%, 38.8%)
CIE-LAB	lab(40.93, 7.04, -36.30)
CIE-LCH	lch(40.93, 36.97, 280.98°)
OKLab	oklab(49.3% -0.0153 -0.1029)
OKLCH	oklch(49.3% 0.104 261.5)
XYZ	xyz(12.2314, 11.8218, 33.0833)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F609C #9C7B3F

analogous

#3F8E9C #3F609C #4C3F9C

triadic

#3F609C #9C3F60 #609C3F

tetradic

#3F609C #9C3F8E #9C7B3F #3F9C4C

square

#3F609C #9C3F8E #9C7B3F #3F9C4C

split-complementary

#3F609C #9C4C3F #8E9C3F

monochromatic

#1C2A45 #2D4570 #3F609C #5B7EBD #87A0CE

Accessibility & contrast

On white

6.24

#3F609C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3F609C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F609C

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F609C	#FFFFFF	#000000	##FFFFFF
##3F609C	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47659E

Deuteranopia (green-blind)

#3B5D9B

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f609c;
/* rgb */ color: rgb(63, 96, 156);
/* oklch */ color: oklch(49.3% 0.104 261.5);

Tailwind

colors: {
  custom: {
    50: '#7c8cb9',
    500: '#3f609c',
    950: '#000000',
  },
}

SCSS

$custom: #3f609c;
$custom-light: #7c8cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f609c",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 156
  },
  "hsl": {
    "h": 218.71,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49295,
    "c": 0.10406,
    "h": 261.5
  },
  "luminance": 0.11823
}

Semantic roles & 50–950 ramp

primary

#3F609C

secondary

#B9A47E

accent

#A656D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F609C

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

Preview Lab → · Contrast checker → · Palette generator →