#40A4B3#40A4B3
#40A4B3 is a light, moderate teal. Relative luminance 0.309; OKLCH L 66.7% C 0.094 H 208.9°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).
Color values
| HEX | #40A4B3 |
|---|---|
| RGB | rgb(64, 164, 179) |
| HSL | hsl(188, 47%, 48%) |
| HSV | hsv(188, 64%, 70%) |
| CMYK | cmyk(64.2%, 8.4%, 0%, 29.8%) |
| CIE-LAB | lab(62.42, -24.08, -16.34) |
| CIE-LCH | lch(62.42, 29.10, 214.15°) |
| OKLab | oklab(66.67% -0.082 -0.0453) |
| OKLCH | oklch(66.67% 0.094 208.9) |
| XYZ | xyz(23.5231, 30.8931, 47.3623) |
| Luminance | 0.3090 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.31
Cadetblue
#5F9EA0
ΔE00 5.61
Greyblue
#77A1B5
ΔE00 9.52
Sea
#3C9992
ΔE00 9.59
Teal Blue
#01889F
ΔE00 10.03
Lightseagreen
#20B2AA
ΔE00 10.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40A4B3 #B34F40
analogous
#40B388 #40A4B3 #406BB3
triadic
#40A4B3 #B340A4 #A4B340
tetradic
#40A4B3 #8840B3 #B34F40 #6BB340
square
#40A4B3 #8840B3 #B34F40 #6BB340
split-complementary
#40A4B3 #B3406B #B38840
monochromatic
#205159 #307B86 #40A4B3 #67BCC9 #94D0D9
Accessibility & contrast
On white
2.93
#40A4B3 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.18
#40A4B3 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #40A4B3
7.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40A4B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##40A4B3 | 1.00 | 2.93 | 7.18 | 7.18 |
| #FFFFFF | 2.93 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#969EB4
Deuteranopia (green-blind)
#8592B3
Tritanopia (blue-blind)
#00ABA8
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #40a4b3; /* rgb */ color: rgb(64, 164, 179); /* oklch */ color: oklch(66.7% 0.094 208.9);
Tailwind
colors: {
custom: {
50: '#82bfc9',
500: '#40a4b3',
950: '#000000',
},
}SCSS
$custom: #40a4b3; $custom-light: #82bfc9; $custom-dark: #000000;
JSON
{
"hex": "#40a4b3",
"rgb": {
"r": 64,
"g": 164,
"b": 179
},
"hsl": {
"h": 187.826,
"s": 47.325,
"l": 47.647
},
"oklch": {
"l": 0.66668,
"c": 0.09369,
"h": 208.9
},
"luminance": 0.30896
}Semantic roles & 50–950 ramp
primary
#40A4B3
secondary
#C4928A
accent
#6251D7
background
#F8FBFC
surface
#F0F7F8
border
#CBD0D1
text
#0C1213
muted
#7D8182