#406B66#406B66

#406B66 is a mid, muted teal. Relative luminance 0.126; OKLCH L 49.5% C 0.049 H 186.4°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#406B66
RGB	rgb(64, 107, 102)
HSL	hsl(173, 25%, 34%)
HSV	hsv(173, 40%, 42%)
CMYK	cmyk(40.2%, 0%, 4.7%, 58%)
CIE-LAB	lab(42.10, -16.21, -1.91)
CIE-LCH	lch(42.10, 16.32, 186.72°)
OKLab	oklab(49.48% -0.0484 -0.0054)
OKLCH	oklch(49.48% 0.049 186.4)
XYZ	xyz(9.7694, 12.5640, 14.4781)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406B66 #6B4045

analogous

#406B50 #406B66 #405A6B

triadic

#406B66 #66406B #6B6640

tetradic

#406B66 #50406B #6B4045 #5A6B40

square

#406B66 #50406B #6B4045 #5A6B40

split-complementary

#406B66 #6B405A #6B5040

monochromatic

#121E1D #294541 #406B66 #57918B #77AEA8

Accessibility & contrast

On white

5.98

#406B66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#406B66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406B66

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406B66	#FFFFFF	#000000	##FFFFFF
##406B66	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676766

Deuteranopia (green-blind)

#5F6167

Tritanopia (blue-blind)

#306D69

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #406b66;
/* rgb */ color: rgb(64, 107, 102);
/* oklch */ color: oklch(49.5% 0.049 186.4);

Tailwind

colors: {
  custom: {
    50: '#779591',
    500: '#406b66',
    950: '#000000',
  },
}

SCSS

$custom: #406b66;
$custom-light: #779591;
$custom-dark: #000000;

JSON

{
  "hex": "#406b66",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 102
  },
  "hsl": {
    "h": 173.023,
    "s": 25.146,
    "l": 33.529
  },
  "oklch": {
    "l": 0.49483,
    "c": 0.0487,
    "h": 186.4
  },
  "luminance": 0.12565
}

Semantic roles & 50–950 ramp

primary

#406B66

secondary

#996E73

accent

#6671C2

background

#F7F9F8

surface

#EDF1F0

border

#C8CBCB

text

#090D0C

muted

#7B7E7D

Preview Lab

Preview with #406B66

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

Preview Lab → · Contrast checker → · Palette generator →