#438FD3#438FD3
#438FD3 is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.127 H 248.3°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).
Color values
| HEX | #438FD3 |
|---|---|
| RGB | rgb(67, 143, 211) |
| HSL | hsl(208, 62%, 55%) |
| HSV | hsv(208, 68%, 83%) |
| CMYK | cmyk(68.2%, 32.2%, 0%, 17.3%) |
| CIE-LAB | lab(57.60, -1.68, -41.76) |
| CIE-LCH | lch(57.60, 41.79, 267.70°) |
| OKLab | oklab(63.29% -0.0472 -0.1183) |
| OKLCH | oklch(63.29% 0.127 248.3) |
| XYZ | xyz(23.8907, 25.5388, 65.2858) |
| Luminance | 0.2554 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.51
Dodgerblue
#1E90FF
ΔE00 3.88
Water Blue
#0E87CC
ΔE00 4.38
Cerulean (survey)
#0485D1
ΔE00 4.39
Cool Blue
#4984B8
ΔE00 4.56
Azure (survey)
#069AF3
ΔE00 4.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#438FD3 #D38743
analogous
#43D3CF #438FD3 #4347D3
triadic
#438FD3 #D3438F #8FD343
tetradic
#438FD3 #CF43D3 #D38743 #47D343
square
#438FD3 #CF43D3 #D38743 #47D343
split-complementary
#438FD3 #D34347 #D3CF43
monochromatic
#1E507E #2970B0 #438FD3 #75ADDF #A6CAEA
Accessibility & contrast
On white
3.44
#438FD3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.11
#438FD3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #438FD3
6.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##438FD3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##438FD3 | 1.00 | 3.44 | 6.11 | 6.11 |
| #FFFFFF | 3.44 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.11 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.11 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7192D6
Deuteranopia (green-blind)
#5D84D2
Tritanopia (blue-blind)
#009FA7
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #438fd3; /* rgb */ color: rgb(67, 143, 211); /* oklch */ color: oklch(63.3% 0.127 248.3);
Tailwind
colors: {
custom: {
50: '#87afe1',
500: '#438fd3',
950: '#000000',
},
}SCSS
$custom: #438fd3; $custom-light: #87afe1; $custom-dark: #000000;
JSON
{
"hex": "#438fd3",
"rgb": {
"r": 67,
"g": 143,
"b": 211
},
"hsl": {
"h": 208.333,
"s": 62.069,
"l": 54.51
},
"oklch": {
"l": 0.63286,
"c": 0.12733,
"h": 248.3
},
"luminance": 0.25541
}Semantic roles & 50–950 ramp
primary
#438FD3
secondary
#D7B79A
accent
#8F43E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83