#3F666D#3F666D

#3F666D is a mid, muted teal. Relative luminance 0.117; OKLCH L 48.4% C 0.045 H 210.1°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3F666D
RGB	rgb(63, 102, 109)
HSL	hsl(189, 27%, 34%)
HSV	hsv(189, 42%, 43%)
CMYK	cmyk(42.2%, 6.4%, 0%, 57.3%)
CIE-LAB	lab(40.68, -11.76, -8.29)
CIE-LCH	lch(40.68, 14.39, 215.18°)
OKLab	oklab(48.41% -0.0393 -0.0228)
OKLCH	oklch(48.41% 0.045 210.1)
XYZ	xyz(9.5606, 11.6630, 16.2124)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F666D #6D463F

analogous

#3F6D5D #3F666D #3F4F6D

triadic

#3F666D #6D3F66 #666D3F

tetradic

#3F666D #5D3F6D #6D463F #4F6D3F

square

#3F666D #5D3F6D #6D463F #4F6D3F

split-complementary

#3F666D #6D3F4F #6D5D3F

monochromatic

#121D1F #294246 #3F666D #558A94 #76A7B0

Accessibility & contrast

On white

6.30

#3F666D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3F666D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F666D

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F666D	#FFFFFF	#000000	##FFFFFF
##3F666D	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60636D

Deuteranopia (green-blind)

#585D6D

Tritanopia (blue-blind)

#2C6968

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f666d;
/* rgb */ color: rgb(63, 102, 109);
/* oklch */ color: oklch(48.4% 0.045 210.1);

Tailwind

colors: {
  custom: {
    50: '#779196',
    500: '#3f666d',
    950: '#000000',
  },
}

SCSS

$custom: #3f666d;
$custom-light: #779196;
$custom-dark: #000000;

JSON

{
  "hex": "#3f666d",
  "rgb": {
    "r": 63,
    "g": 102,
    "b": 109
  },
  "hsl": {
    "h": 189.13,
    "s": 26.744,
    "l": 33.725
  },
  "oklch": {
    "l": 0.48405,
    "c": 0.04541,
    "h": 210.1
  },
  "luminance": 0.11664
}

Semantic roles & 50–950 ramp

primary

#3F666D

secondary

#9B746D

accent

#7365C3

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#090C0D

muted

#7B7D7E

Preview Lab

Preview with #3F666D

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

Preview Lab → · Contrast checker → · Palette generator →