#3F98BD#3F98BD
#3F98BD is a light, moderate cyan. Relative luminance 0.272; OKLCH L 64.2% C 0.100 H 228.8°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).
Color values
| HEX | #3F98BD |
|---|---|
| RGB | rgb(63, 152, 189) |
| HSL | hsl(198, 50%, 49%) |
| HSV | hsv(198, 67%, 74%) |
| CMYK | cmyk(66.7%, 19.6%, 0%, 25.9%) |
| CIE-LAB | lab(59.15, -14.78, -26.97) |
| CIE-LCH | lch(59.15, 30.75, 241.27°) |
| OKLab | oklab(64.16% -0.066 -0.0755) |
| OKLCH | oklch(64.16% 0.1 228.8) |
| XYZ | xyz(22.4598, 27.1849, 52.1978) |
| Luminance | 0.2719 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.61
Dirty Blue
#3F829D
ΔE00 8.00
Dusty Blue
#5A86AD
ΔE00 8.78
Teal Blue
#01889F
ΔE00 8.86
Water Blue
#0E87CC
ΔE00 9.17
Off Blue
#5684AE
ΔE00 9.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F98BD #BD643F
analogous
#3FBDA3 #3F98BD #3F59BD
triadic
#3F98BD #BD3F98 #98BD3F
tetradic
#3F98BD #A33FBD #BD643F #59BD3F
square
#3F98BD #A33FBD #BD643F #59BD3F
split-complementary
#3F98BD #BD3F59 #BDA33F
monochromatic
#204E61 #30738F #3F98BD #6BB1CE #99C9DD
Accessibility & contrast
On white
3.26
#3F98BD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.44
#3F98BD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F98BD
6.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F98BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F98BD | 1.00 | 3.26 | 6.44 | 6.44 |
| #FFFFFF | 3.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.44 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.44 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8596BF
Deuteranopia (green-blind)
#7389BD
Tritanopia (blue-blind)
#00A2A4
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #3f98bd; /* rgb */ color: rgb(63, 152, 189); /* oklch */ color: oklch(64.2% 0.100 228.8);
Tailwind
colors: {
custom: {
50: '#82b6d1',
500: '#3f98bd',
950: '#000000',
},
}SCSS
$custom: #3f98bd; $custom-light: #82b6d1; $custom-dark: #000000;
JSON
{
"hex": "#3f98bd",
"rgb": {
"r": 63,
"g": 152,
"b": 189
},
"hsl": {
"h": 197.619,
"s": 50,
"l": 49.412
},
"oklch": {
"l": 0.64158,
"c": 0.10025,
"h": 228.8
},
"luminance": 0.27187
}Semantic roles & 50–950 ramp
primary
#3F98BD
secondary
#C9A08F
accent
#774EDA
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082