#3F97BE#3F97BE
#3F97BE is a light, moderate cyan. Relative luminance 0.269; OKLCH L 64.0% C 0.101 H 230.5°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).
Color values
| HEX | #3F97BE |
|---|---|
| RGB | rgb(63, 151, 190) |
| HSL | hsl(198, 50%, 50%) |
| HSV | hsv(198, 67%, 75%) |
| CMYK | cmyk(66.8%, 20.5%, 0%, 25.5%) |
| CIE-LAB | lab(58.89, -13.91, -27.93) |
| CIE-LCH | lch(58.89, 31.20, 243.53°) |
| OKLab | oklab(63.97% -0.0646 -0.0782) |
| OKLCH | oklch(63.97% 0.101 230.5) |
| XYZ | xyz(22.4071, 26.9053, 52.7176) |
| Luminance | 0.2691 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.89
Dirty Blue
#3F829D
ΔE00 7.93
Dusty Blue
#5A86AD
ΔE00 8.25
Water Blue
#0E87CC
ΔE00 8.39
Cool Blue
#4984B8
ΔE00 8.78
Off Blue
#5684AE
ΔE00 8.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F97BE #BE663F
analogous
#3FBEA6 #3F97BE #3F58BE
triadic
#3F97BE #BE3F97 #97BE3F
tetradic
#3F97BE #A63FBE #BE663F #58BE3F
square
#3F97BE #A63FBE #BE663F #58BE3F
split-complementary
#3F97BE #BE3F58 #BEA63F
monochromatic
#214E62 #307290 #3F97BE #6CB0CE #9AC9DD
Accessibility & contrast
On white
3.29
#3F97BE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.38
#3F97BE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F97BE
6.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F97BE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F97BE | 1.00 | 3.29 | 6.38 | 6.38 |
| #FFFFFF | 3.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.38 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.38 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8395C0
Deuteranopia (green-blind)
#7288BD
Tritanopia (blue-blind)
#00A2A4
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #3f97be; /* rgb */ color: rgb(63, 151, 190); /* oklch */ color: oklch(64.0% 0.101 230.5);
Tailwind
colors: {
custom: {
50: '#82b5d1',
500: '#3f97be',
950: '#000000',
},
}SCSS
$custom: #3f97be; $custom-light: #82b5d1; $custom-dark: #000000;
JSON
{
"hex": "#3f97be",
"rgb": {
"r": 63,
"g": 151,
"b": 190
},
"hsl": {
"h": 198.425,
"s": 50.198,
"l": 49.608
},
"oklch": {
"l": 0.63965,
"c": 0.10146,
"h": 230.5
},
"luminance": 0.26908
}Semantic roles & 50–950 ramp
primary
#3F97BE
secondary
#C9A18F
accent
#794EDA
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082