#40B9C8#40B9C8
#40B9C8 is a light, moderate teal. Relative luminance 0.400; OKLCH L 72.6% C 0.107 H 206.9°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #40B9C8 |
|---|---|
| RGB | rgb(64, 185, 200) |
| HSL | hsl(187, 55%, 52%) |
| HSV | hsv(187, 68%, 78%) |
| CMYK | cmyk(68%, 7.5%, 0%, 21.6%) |
| CIE-LAB | lab(69.44, -28.27, -17.36) |
| CIE-LCH | lch(69.44, 33.18, 211.55°) |
| OKLab | oklab(72.56% -0.095 -0.0482) |
| OKLCH | oklch(72.56% 0.107 206.9) |
| XYZ | xyz(29.8842, 39.9547, 60.7694) |
| Luminance | 0.3996 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 3.05
Darkturquoise
#00CED1
ΔE00 7.60
Aqua Blue
#02D8E9
ΔE00 7.95
Lightseagreen
#20B2AA
ΔE00 9.37
Cadetblue
#5F9EA0
ΔE00 9.39
Mediumturquoise
#48D1CC
ΔE00 9.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40B9C8 #C84F40
analogous
#40C893 #40B9C8 #4075C8
triadic
#40B9C8 #C840B9 #B9C840
tetradic
#40B9C8 #9340C8 #C84F40 #75C840
square
#40B9C8 #9340C8 #C84F40 #75C840
split-complementary
#40B9C8 #C84075 #C89340
monochromatic
#20656E #2D919D #40B9C8 #70CAD6 #9FDCE3
Accessibility & contrast
On white
2.34
#40B9C8 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.99
#40B9C8 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #40B9C8
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40B9C8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##40B9C8 | 1.00 | 2.34 | 8.99 | 8.99 |
| #FFFFFF | 2.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#AAB2C9
Deuteranopia (green-blind)
#96A3C8
Tritanopia (blue-blind)
#00C1BD
Achromatopsia (no color)
#AAAAAA
Design tokens & code
CSS
--color: #40b9c8; /* rgb */ color: rgb(64, 185, 200); /* oklch */ color: oklch(72.6% 0.107 206.9);
Tailwind
colors: {
custom: {
50: '#86ced8',
500: '#40b9c8',
950: '#000000',
},
}SCSS
$custom: #40b9c8; $custom-light: #86ced8; $custom-dark: #000000;
JSON
{
"hex": "#40b9c8",
"rgb": {
"r": 64,
"g": 185,
"b": 200
},
"hsl": {
"h": 186.618,
"s": 55.285,
"l": 51.765
},
"oklch": {
"l": 0.72562,
"c": 0.10655,
"h": 206.9
},
"luminance": 0.39958
}Semantic roles & 50–950 ramp
primary
#40B9C8
secondary
#D09B94
accent
#5A49DF
background
#F8FCFD
surface
#F0F9FA
border
#CBD2D3
text
#0D1314
muted
#7D8283