#3F6299#3F6299

#3F6299 is a mid, moderate blue. Relative luminance 0.121; OKLCH L 49.6% C 0.097 H 259.1°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F6299
RGB	rgb(63, 98, 153)
HSL	hsl(217, 42%, 42%)
HSV	hsv(217, 59%, 60%)
CMYK	cmyk(58.8%, 35.9%, 0%, 40%)
CIE-LAB	lab(41.36, 4.74, -33.83)
CIE-LCH	lch(41.36, 34.16, 277.97°)
OKLab	oklab(49.58% -0.0184 -0.0957)
OKLCH	oklch(49.58% 0.097 259.1)
XYZ	xyz(12.1653, 12.0910, 31.8235)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6299 #99763F

analogous

#3F8F99 #3F6299 #493F99

triadic

#3F6299 #993F62 #62993F

tetradic

#3F6299 #993F8F #99763F #3F9949

square

#3F6299 #993F8F #99763F #3F9949

split-complementary

#3F6299 #99493F #8F993F

monochromatic

#1B2A42 #2D466E #3F6299 #5A80BB #85A1CD

Accessibility & contrast

On white

6.14

#3F6299 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3F6299 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6299

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6299	#FFFFFF	#000000	##FFFFFF
##3F6299	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B669B

Deuteranopia (green-blind)

#405E98

Tritanopia (blue-blind)

#006E76

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3f6299;
/* rgb */ color: rgb(63, 98, 153);
/* oklch */ color: oklch(49.6% 0.097 259.1);

Tailwind

colors: {
  custom: {
    50: '#7b8eb7',
    500: '#3f6299',
    950: '#000000',
  },
}

SCSS

$custom: #3f6299;
$custom-light: #7b8eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6299",
  "rgb": {
    "r": 63,
    "g": 98,
    "b": 153
  },
  "hsl": {
    "h": 216.667,
    "s": 41.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49576,
    "c": 0.09744,
    "h": 259.1
  },
  "luminance": 0.12092
}

Semantic roles & 50–950 ramp

primary

#3F6299

secondary

#B7A07C

accent

#A256D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F6299

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

Preview Lab → · Contrast checker → · Palette generator →