#3C99BD#3C99BD
#3C99BD is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.101 H 227.3°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).
Color values
| HEX | #3C99BD |
|---|---|
| RGB | rgb(60, 153, 189) |
| HSL | hsl(197, 52%, 49%) |
| HSV | hsv(197, 68%, 74%) |
| CMYK | cmyk(68.3%, 19%, 0%, 25.9%) |
| CIE-LAB | lab(59.36, -15.80, -26.65) |
| CIE-LCH | lch(59.36, 30.98, 239.34°) |
| OKLab | oklab(64.3% -0.0687 -0.0746) |
| OKLCH | oklch(64.3% 0.101 227.3) |
| XYZ | xyz(22.4363, 27.4148, 52.2434) |
| Luminance | 0.2742 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.63
Dirty Blue
#3F829D
ΔE00 8.19
Teal Blue
#01889F
ΔE00 8.63
Dusty Blue
#5A86AD
ΔE00 9.37
Water Blue
#0E87CC
ΔE00 9.85
Off Blue
#5684AE
ΔE00 9.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3C99BD #BD603C
analogous
#3CBDA1 #3C99BD #3C59BD
triadic
#3C99BD #BD3C99 #99BD3C
tetradic
#3C99BD #A13CBD #BD603C #59BD3C
square
#3C99BD #A13CBD #BD603C #59BD3C
split-complementary
#3C99BD #BD3C59 #BDA13C
monochromatic
#1F4E60 #2D738F #3C99BD #67B2CF #96CADE
Accessibility & contrast
On white
3.24
#3C99BD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.48
#3C99BD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3C99BD
6.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3C99BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3C99BD | 1.00 | 3.24 | 6.48 | 6.48 |
| #FFFFFF | 3.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.48 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.48 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8696BF
Deuteranopia (green-blind)
#7489BD
Tritanopia (blue-blind)
#00A3A5
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #3c99bd; /* rgb */ color: rgb(60, 153, 189); /* oklch */ color: oklch(64.3% 0.101 227.3);
Tailwind
colors: {
custom: {
50: '#81b7d1',
500: '#3c99bd',
950: '#000000',
},
}SCSS
$custom: #3c99bd; $custom-light: #81b7d1; $custom-dark: #000000;
JSON
{
"hex": "#3c99bd",
"rgb": {
"r": 60,
"g": 153,
"b": 189
},
"hsl": {
"h": 196.744,
"s": 51.807,
"l": 48.824
},
"oklch": {
"l": 0.64302,
"c": 0.10143,
"h": 227.3
},
"luminance": 0.27417
}Semantic roles & 50–950 ramp
primary
#3C99BD
secondary
#C99D8C
accent
#744DDB
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082