#40A0D9#40A0D9
#40A0D9 is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.4% C 0.122 H 238.6°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).
Color values
| HEX | #40A0D9 |
|---|---|
| RGB | rgb(64, 160, 217) |
| HSL | hsl(202, 67%, 55%) |
| HSV | hsv(202, 71%, 85%) |
| CMYK | cmyk(70.5%, 26.3%, 0%, 14.9%) |
| CIE-LAB | lab(62.71, -9.75, -37.10) |
| CIE-LCH | lch(62.71, 38.36, 255.28°) |
| OKLab | oklab(67.39% -0.0638 -0.1046) |
| OKLCH | oklch(67.39% 0.122 238.6) |
| XYZ | xyz(27.2047, 31.2383, 70.2280) |
| Luminance | 0.3124 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 4.59
Dark Sky Blue
#448EE4
ΔE00 8.20
Dodgerblue
#1E90FF
ΔE00 8.23
Water Blue
#0E87CC
ΔE00 8.54
Deepskyblue
#00BFFF
ΔE00 9.22
Cerulean (survey)
#0485D1
ΔE00 9.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40A0D9 #D97940
analogous
#40D9C5 #40A0D9 #4053D9
triadic
#40A0D9 #D940A0 #A0D940
tetradic
#40A0D9 #C540D9 #D97940 #53D940
square
#40A0D9 #C540D9 #D97940 #53D940
split-complementary
#40A0D9 #D94053 #D9C540
monochromatic
#1A5D84 #2481B7 #40A0D9 #73B9E3 #A6D3ED
Accessibility & contrast
On white
2.90
#40A0D9 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.25
#40A0D9 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #40A0D9
7.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40A0D9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##40A0D9 | 1.00 | 2.90 | 7.25 | 7.25 |
| #FFFFFF | 2.90 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#85A0DC
Deuteranopia (green-blind)
#7091D8
Tritanopia (blue-blind)
#00AEB4
Achromatopsia (no color)
#989898
Design tokens & code
CSS
--color: #40a0d9; /* rgb */ color: rgb(64, 160, 217); /* oklch */ color: oklch(67.4% 0.122 238.6);
Tailwind
colors: {
custom: {
50: '#87bce5',
500: '#40a0d9',
950: '#000000',
},
}SCSS
$custom: #40a0d9; $custom-light: #87bce5; $custom-dark: #000000;
JSON
{
"hex": "#40a0d9",
"rgb": {
"r": 64,
"g": 160,
"b": 217
},
"hsl": {
"h": 202.353,
"s": 66.812,
"l": 55.098
},
"oklch": {
"l": 0.67389,
"c": 0.12249,
"h": 238.6
},
"luminance": 0.31241
}Semantic roles & 50–950 ramp
primary
#40A0D9
secondary
#DAB29A
accent
#7E3EEA
background
#F9FBFE
surface
#F1F6FC
border
#CBD0D5
text
#0D1215
muted
#7E8184