#408FDD#408FDD
#408FDD is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.7% C 0.141 H 250.8°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).
Color values
| HEX | #408FDD |
|---|---|
| RGB | rgb(64, 143, 221) |
| HSL | hsl(210, 70%, 56%) |
| HSV | hsv(210, 71%, 87%) |
| CMYK | cmyk(71%, 35.3%, 0%, 13.3%) |
| CIE-LAB | lab(57.99, 1.36, -46.74) |
| CIE-LCH | lch(57.99, 46.76, 271.66°) |
| OKLab | oklab(63.73% -0.0464 -0.1328) |
| OKLCH | oklch(63.73% 0.141 250.8) |
| XYZ | xyz(24.9831, 25.9526, 72.0853) |
| Luminance | 0.2596 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.46
Dodgerblue
#1E90FF
ΔE00 2.83
Azure (survey)
#069AF3
ΔE00 4.78
Cerulean (survey)
#0485D1
ΔE00 4.93
Water Blue
#0E87CC
ΔE00 5.17
Cool Blue
#4984B8
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#408FDD #DD8E40
analogous
#40DDDD #408FDD #4040DD
triadic
#408FDD #DD408F #8FDD40
tetradic
#408FDD #DD40DD #DD8E40 #40DD40
square
#408FDD #DD40DD #DD8E40 #40DD40
split-complementary
#408FDD #DD4040 #DDDD40
monochromatic
#19528A #2270BE #408FDD #74ADE6 #A8CCEF
Accessibility & contrast
On white
3.39
#408FDD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.19
#408FDD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #408FDD
6.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##408FDD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##408FDD | 1.00 | 3.39 | 6.19 | 6.19 |
| #FFFFFF | 3.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C93E0
Deuteranopia (green-blind)
#5585DB
Tritanopia (blue-blind)
#00A1AB
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #408fdd; /* rgb */ color: rgb(64, 143, 221); /* oklch */ color: oklch(63.7% 0.141 250.8);
Tailwind
colors: {
custom: {
50: '#87afe8',
500: '#408fdd',
950: '#000000',
},
}SCSS
$custom: #408fdd; $custom-light: #87afe8; $custom-dark: #000000;
JSON
{
"hex": "#408fdd",
"rgb": {
"r": 64,
"g": 143,
"b": 221
},
"hsl": {
"h": 209.809,
"s": 69.778,
"l": 55.882
},
"oklch": {
"l": 0.63731,
"c": 0.14071,
"h": 250.8
},
"luminance": 0.25955
}Semantic roles & 50–950 ramp
primary
#408FDD
secondary
#DDBC9C
accent
#933BED
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84