#3F666C#3F666C

#3F666C is a mid, muted teal. Relative luminance 0.116; OKLCH L 48.4% C 0.045 H 208.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F666C
RGB	rgb(63, 102, 108)
HSL	hsl(188, 26%, 34%)
HSV	hsv(188, 42%, 42%)
CMYK	cmyk(41.7%, 5.6%, 0%, 57.6%)
CIE-LAB	lab(40.64, -12.04, -7.73)
CIE-LCH	lch(40.64, 14.31, 212.70°)
OKLab	oklab(48.37% -0.0397 -0.0212)
OKLCH	oklch(48.37% 0.045 208.1)
XYZ	xyz(9.5071, 11.6416, 15.9305)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F666C #6C453F

analogous

#3F6C5B #3F666C #3F4F6C

triadic

#3F666C #6C3F66 #666C3F

tetradic

#3F666C #5B3F6C #6C453F #4F6C3F

square

#3F666C #5B3F6C #6C453F #4F6C3F

split-complementary

#3F666C #6C3F4F #6C5B3F

monochromatic

#121D1F #284145 #3F666C #568B93 #76A8AF

Accessibility & contrast

On white

6.31

#3F666C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3F666C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F666C

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F666C	#FFFFFF	#000000	##FFFFFF
##3F666C	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60636C

Deuteranopia (green-blind)

#585D6C

Tritanopia (blue-blind)

#2C6968

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f666c;
/* rgb */ color: rgb(63, 102, 108);
/* oklch */ color: oklch(48.4% 0.045 208.1);

Tailwind

colors: {
  custom: {
    50: '#779196',
    500: '#3f666c',
    950: '#000000',
  },
}

SCSS

$custom: #3f666c;
$custom-light: #779196;
$custom-dark: #000000;

JSON

{
  "hex": "#3f666c",
  "rgb": {
    "r": 63,
    "g": 102,
    "b": 108
  },
  "hsl": {
    "h": 188,
    "s": 26.316,
    "l": 33.529
  },
  "oklch": {
    "l": 0.48366,
    "c": 0.04505,
    "h": 208.1
  },
  "luminance": 0.11642
}

Semantic roles & 50–950 ramp

primary

#3F666C

secondary

#9A736D

accent

#7265C3

background

#F7F8F9

surface

#EDF0F1

border

#C8CBCB

text

#090C0D

muted

#7B7D7E

Preview Lab

Preview with #3F666C

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

Preview Lab → · Contrast checker → · Palette generator →