#3F90C0#3F90C0
#3F90C0 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.107 H 237.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).
Color values
| HEX | #3F90C0 |
|---|---|
| RGB | rgb(63, 144, 192) |
| HSL | hsl(202, 51%, 50%) |
| HSV | hsv(202, 67%, 75%) |
| CMYK | cmyk(67.2%, 25%, 0%, 24.7%) |
| CIE-LAB | lab(56.89, -9.36, -32.17) |
| CIE-LCH | lch(56.89, 33.50, 253.78°) |
| OKLab | oklab(62.4% -0.0566 -0.0905) |
| OKLCH | oklch(62.4% 0.107 237.9) |
| XYZ | xyz(21.5339, 24.8068, 53.5123) |
| Luminance | 0.2481 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.57
Cool Blue
#4984B8
ΔE00 5.29
Cerulean (survey)
#0485D1
ΔE00 5.58
Steel Blue
#4682B4
ΔE00 5.60
Dusty Blue
#5A86AD
ΔE00 5.67
Off Blue
#5684AE
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F90C0 #C06F3F
analogous
#3FC0B0 #3F90C0 #3F4FC0
triadic
#3F90C0 #C03F90 #90C03F
tetradic
#3F90C0 #B03FC0 #C06F3F #4FC03F
square
#3F90C0 #B03FC0 #C06F3F #4FC03F
split-complementary
#3F90C0 #C03F4F #C0B03F
monochromatic
#214B64 #306D92 #3F90C0 #6DABCF #9BC5DE
Accessibility & contrast
On white
3.52
#3F90C0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.96
#3F90C0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F90C0
5.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F90C0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F90C0 | 1.00 | 3.52 | 5.96 | 5.96 |
| #FFFFFF | 3.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A90C2
Deuteranopia (green-blind)
#6883BF
Tritanopia (blue-blind)
#009CA0
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #3f90c0; /* rgb */ color: rgb(63, 144, 192); /* oklch */ color: oklch(62.4% 0.107 237.9);
Tailwind
colors: {
custom: {
50: '#82b0d3',
500: '#3f90c0',
950: '#000000',
},
}SCSS
$custom: #3f90c0; $custom-light: #82b0d3; $custom-dark: #000000;
JSON
{
"hex": "#3f90c0",
"rgb": {
"r": 63,
"g": 144,
"b": 192
},
"hsl": {
"h": 202.326,
"s": 50.588,
"l": 50
},
"oklch": {
"l": 0.62402,
"c": 0.10673,
"h": 237.9
},
"luminance": 0.24809
}Semantic roles & 50–950 ramp
primary
#3F90C0
secondary
#CAA691
accent
#824EDA
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82