#3F609D#3F609D

#3F609D is a mid, moderate blue. Relative luminance 0.119; OKLCH L 49.4% C 0.105 H 261.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#3F609D
RGB	rgb(63, 96, 157)
HSL	hsl(219, 43%, 43%)
HSV	hsv(219, 60%, 62%)
CMYK	cmyk(59.9%, 38.9%, 0%, 38.4%)
CIE-LAB	lab(40.99, 7.39, -36.81)
CIE-LCH	lch(40.99, 37.54, 281.35°)
OKLab	oklab(49.36% -0.0151 -0.1044)
OKLCH	oklch(49.36% 0.105 261.8)
XYZ	xyz(12.3165, 11.8558, 33.5311)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F609D #9D7C3F

analogous

#3F8F9D #3F609D #4D3F9D

triadic

#3F609D #9D3F60 #609D3F

tetradic

#3F609D #9D3F8F #9D7C3F #3F9D4D

square

#3F609D #9D3F8F #9D7C3F #3F9D4D

split-complementary

#3F609D #9D4D3F #8F9D3F

monochromatic

#1C2B46 #2D4571 #3F609D #5C7EBD #87A1CF

Accessibility & contrast

On white

6.23

#3F609D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3F609D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F609D

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F609D	#FFFFFF	#000000	##FFFFFF
##3F609D	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46659F

Deuteranopia (green-blind)

#3A5D9C

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3f609d;
/* rgb */ color: rgb(63, 96, 157);
/* oklch */ color: oklch(49.4% 0.105 261.8);

Tailwind

colors: {
  custom: {
    50: '#7c8cba',
    500: '#3f609d',
    950: '#000000',
  },
}

SCSS

$custom: #3f609d;
$custom-light: #7c8cba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f609d",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 157
  },
  "hsl": {
    "h": 218.936,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49355,
    "c": 0.10549,
    "h": 261.8
  },
  "luminance": 0.11857
}

Semantic roles & 50–950 ramp

primary

#3F609D

secondary

#BAA57E

accent

#A755D3

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F609D

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

Preview Lab → · Contrast checker → · Palette generator →