#40666D#40666D

#40666D is a mid, muted teal. Relative luminance 0.117; OKLCH L 48.5% C 0.044 H 210.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#40666D
RGB	rgb(64, 102, 109)
HSL	hsl(189, 26%, 34%)
HSV	hsv(189, 41%, 43%)
CMYK	cmyk(41.3%, 6.4%, 0%, 57.3%)
CIE-LAB	lab(40.73, -11.47, -8.20)
CIE-LCH	lch(40.73, 14.10, 215.58°)
OKLab	oklab(48.46% -0.0384 -0.0225)
OKLCH	oklch(48.46% 0.044 210.4)
XYZ	xyz(9.6251, 11.6962, 16.2154)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40666D #6D4740

analogous

#406D5E #40666D #40506D

triadic

#40666D #6D4066 #666D40

tetradic

#40666D #5E406D #6D4740 #506D40

square

#40666D #5E406D #6D4740 #506D40

split-complementary

#40666D #6D4050 #6D5E40

monochromatic

#131E20 #294246 #40666D #578A94 #78A7B0

Accessibility & contrast

On white

6.29

#40666D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#40666D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40666D

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40666D	#FFFFFF	#000000	##FFFFFF
##40666D	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60636D

Deuteranopia (green-blind)

#585E6D

Tritanopia (blue-blind)

#2E6968

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #40666d;
/* rgb */ color: rgb(64, 102, 109);
/* oklch */ color: oklch(48.5% 0.044 210.4);

Tailwind

colors: {
  custom: {
    50: '#779196',
    500: '#40666d',
    950: '#000000',
  },
}

SCSS

$custom: #40666d;
$custom-light: #779196;
$custom-dark: #000000;

JSON

{
  "hex": "#40666d",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 109
  },
  "hsl": {
    "h": 189.333,
    "s": 26.012,
    "l": 33.922
  },
  "oklch": {
    "l": 0.48463,
    "c": 0.04448,
    "h": 210.4
  },
  "luminance": 0.11697
}

Semantic roles & 50–950 ramp

primary

#40666D

secondary

#9B756E

accent

#7465C2

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#090C0D

muted

#7B7D7E

Preview Lab

Preview with #40666D

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

Preview Lab → · Contrast checker → · Palette generator →