#3799C3#3799C3
#3799C3 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.109 H 230.5°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).
Color values
| HEX | #3799C3 |
|---|---|
| RGB | rgb(55, 153, 195) |
| HSL | hsl(198, 56%, 49%) |
| HSV | hsv(198, 72%, 76%) |
| CMYK | cmyk(71.8%, 21.5%, 0%, 23.5%) |
| CIE-LAB | lab(59.46, -14.54, -29.87) |
| CIE-LCH | lch(59.46, 33.23, 244.04°) |
| OKLab | oklab(64.43% -0.0692 -0.0839) |
| OKLCH | oklch(64.43% 0.109 230.5) |
| XYZ | xyz(22.8132, 27.5322, 55.7311) |
| Luminance | 0.2753 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 8.30
Water Blue
#0E87CC
ΔE00 8.56
Azure (survey)
#069AF3
ΔE00 8.70
Dirty Blue
#3F829D
ΔE00 8.72
Dusty Blue
#5A86AD
ΔE00 8.94
Cool Blue
#4984B8
ΔE00 9.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3799C3 #C36137
analogous
#37C3A7 #3799C3 #3753C3
triadic
#3799C3 #C33799 #99C337
tetradic
#3799C3 #A737C3 #C36137 #53C337
square
#3799C3 #A737C3 #C36137 #53C337
split-complementary
#3799C3 #C33753 #C3A737
monochromatic
#1C4E64 #2A7493 #3799C3 #64B2D3 #94CAE1
Accessibility & contrast
On white
3.23
#3799C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.51
#3799C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3799C3
6.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3799C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3799C3 | 1.00 | 3.23 | 6.51 | 6.51 |
| #FFFFFF | 3.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.51 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.51 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8497C5
Deuteranopia (green-blind)
#7189C2
Tritanopia (blue-blind)
#00A5A7
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #3799c3; /* rgb */ color: rgb(55, 153, 195); /* oklch */ color: oklch(64.4% 0.109 230.5);
Tailwind
colors: {
custom: {
50: '#80b7d5',
500: '#3799c3',
950: '#000000',
},
}SCSS
$custom: #3799c3; $custom-light: #80b7d5; $custom-dark: #000000;
JSON
{
"hex": "#3799c3",
"rgb": {
"r": 55,
"g": 153,
"b": 195
},
"hsl": {
"h": 198,
"s": 56,
"l": 49.02
},
"oklch": {
"l": 0.6443,
"c": 0.10874,
"h": 230.5
},
"luminance": 0.27535
}Semantic roles & 50–950 ramp
primary
#3799C3
secondary
#CC9E8A
accent
#7649DF
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083