#3F6199#3F6199

#3F6199 is a mid, moderate blue. Relative luminance 0.119; OKLCH L 49.3% C 0.099 H 259.9°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#3F6199
RGB	rgb(63, 97, 153)
HSL	hsl(217, 42%, 42%)
HSV	hsv(217, 59%, 60%)
CMYK	cmyk(58.8%, 36.6%, 0%, 40%)
CIE-LAB	lab(41.06, 5.37, -34.30)
CIE-LCH	lch(41.06, 34.71, 278.89°)
OKLab	oklab(49.35% -0.0172 -0.0971)
OKLCH	oklch(49.35% 0.099 259.9)
XYZ	xyz(12.0724, 11.9051, 31.7925)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6199 #99773F

analogous

#3F8E99 #3F6199 #4A3F99

triadic

#3F6199 #993F61 #61993F

tetradic

#3F6199 #993F8E #99773F #3F994A

square

#3F6199 #993F8E #99773F #3F994A

split-complementary

#3F6199 #994A3F #8E993F

monochromatic

#1B2A42 #2D466E #3F6199 #5A7FBB #85A0CD

Accessibility & contrast

On white

6.21

#3F6199 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3F6199 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6199

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6199	#FFFFFF	#000000	##FFFFFF
##3F6199	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A659B

Deuteranopia (green-blind)

#3E5D98

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3f6199;
/* rgb */ color: rgb(63, 97, 153);
/* oklch */ color: oklch(49.3% 0.099 259.9);

Tailwind

colors: {
  custom: {
    50: '#7b8db7',
    500: '#3f6199',
    950: '#000000',
  },
}

SCSS

$custom: #3f6199;
$custom-light: #7b8db7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6199",
  "rgb": {
    "r": 63,
    "g": 97,
    "b": 153
  },
  "hsl": {
    "h": 217.333,
    "s": 41.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49346,
    "c": 0.09858,
    "h": 259.9
  },
  "luminance": 0.11906
}

Semantic roles & 50–950 ramp

primary

#3F6199

secondary

#B7A17C

accent

#A356D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F6199

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

Preview Lab → · Contrast checker → · Palette generator →