#40BFD4#40BFD4
#40BFD4 is a light, moderate teal. Relative luminance 0.431; OKLCH L 74.5% C 0.112 H 210.8°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).
Color values
| HEX | #40BFD4 |
|---|---|
| RGB | rgb(64, 191, 212) |
| HSL | hsl(189, 63%, 54%) |
| HSV | hsv(189, 70%, 83%) |
| CMYK | cmyk(69.8%, 9.9%, 0%, 16.9%) |
| CIE-LAB | lab(71.62, -27.61, -20.61) |
| CIE-LCH | lch(71.62, 34.45, 216.74°) |
| OKLab | oklab(74.46% -0.0961 -0.0573) |
| OKLCH | oklch(74.46% 0.112 210.8) |
| XYZ | xyz(32.6237, 43.1013, 68.8746) |
| Luminance | 0.4310 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.53
Aqua Blue
#02D8E9
ΔE00 6.85
Neon Blue
#04D9FF
ΔE00 7.59
Darkturquoise
#00CED1
ΔE00 8.22
Bright Sky Blue
#02CCFE
ΔE00 8.27
Sky Blue
#87CEEB
ΔE00 8.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40BFD4 #D45540
analogous
#40D49F #40BFD4 #4075D4
triadic
#40BFD4 #D440BF #BFD440
tetradic
#40BFD4 #9F40D4 #D45540 #75D440
square
#40BFD4 #9F40D4 #D45540 #75D440
split-complementary
#40BFD4 #D44075 #D49F40
monochromatic
#1C707D #279CAF #40BFD4 #72D0DF #A4E0EA
Accessibility & contrast
On white
2.18
#40BFD4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.62
#40BFD4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #40BFD4
9.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40BFD4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##40BFD4 | 1.00 | 2.18 | 9.62 | 9.62 |
| #FFFFFF | 2.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#AEB8D5
Deuteranopia (green-blind)
#99A9D4
Tritanopia (blue-blind)
#00C8C5
Achromatopsia (no color)
#AFAFAF
Design tokens & code
CSS
--color: #40bfd4; /* rgb */ color: rgb(64, 191, 212); /* oklch */ color: oklch(74.5% 0.112 210.8);
Tailwind
colors: {
custom: {
50: '#88d2e1',
500: '#40bfd4',
950: '#000000',
},
}SCSS
$custom: #40bfd4; $custom-light: #88d2e1; $custom-dark: #000000;
JSON
{
"hex": "#40bfd4",
"rgb": {
"r": 64,
"g": 191,
"b": 212
},
"hsl": {
"h": 188.514,
"s": 63.248,
"l": 54.118
},
"oklch": {
"l": 0.74459,
"c": 0.11193,
"h": 210.8
},
"luminance": 0.43105
}Semantic roles & 50–950 ramp
primary
#40BFD4
secondary
#D7A198
accent
#5942E6
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1415
muted
#7E8283