#438CD9#438CD9
#438CD9 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.138 H 251.9°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #438CD9 |
|---|---|
| RGB | rgb(67, 140, 217) |
| HSL | hsl(211, 66%, 56%) |
| HSV | hsv(211, 69%, 85%) |
| CMYK | cmyk(69.1%, 35.5%, 0%, 14.9%) |
| CIE-LAB | lab(57.03, 2.16, -46.01) |
| CIE-LCH | lch(57.03, 46.06, 272.69°) |
| OKLab | oklab(62.94% -0.0426 -0.1307) |
| OKLCH | oklch(62.94% 0.138 251.9) |
| XYZ | xyz(24.2126, 24.9566, 69.1733) |
| Luminance | 0.2496 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.39
Dodgerblue
#1E90FF
ΔE00 3.40
Cool Blue
#4984B8
ΔE00 4.39
Cerulean (survey)
#0485D1
ΔE00 4.66
Faded Blue
#658CBB
ΔE00 5.02
Water Blue
#0E87CC
ΔE00 5.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#438CD9 #D99043
analogous
#43D7D9 #438CD9 #4543D9
triadic
#438CD9 #D9438C #8CD943
tetradic
#438CD9 #D943D7 #D99043 #43D945
square
#438CD9 #D943D7 #D99043 #43D945
split-complementary
#438CD9 #D94543 #D7D943
monochromatic
#1B4F86 #256DB9 #438CD9 #76ABE3 #A9CAEE
Accessibility & contrast
On white
3.50
#438CD9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#438CD9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #438CD9
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##438CD9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##438CD9 | 1.00 | 3.50 | 5.99 | 5.99 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6991DC
Deuteranopia (green-blind)
#5482D7
Tritanopia (blue-blind)
#009EA8
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #438cd9; /* rgb */ color: rgb(67, 140, 217); /* oklch */ color: oklch(62.9% 0.138 251.9);
Tailwind
colors: {
custom: {
50: '#88ade5',
500: '#438cd9',
950: '#000000',
},
}SCSS
$custom: #438cd9; $custom-light: #88ade5; $custom-dark: #000000;
JSON
{
"hex": "#438cd9",
"rgb": {
"r": 67,
"g": 140,
"b": 217
},
"hsl": {
"h": 210.8,
"s": 66.372,
"l": 55.686
},
"oklch": {
"l": 0.62941,
"c": 0.13751,
"h": 251.9
},
"luminance": 0.24959
}Semantic roles & 50–950 ramp
primary
#438CD9
secondary
#DBBD9D
accent
#963FE9
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84