#3099B7#3099B7
#3099B7 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.7% C 0.102 H 221.2°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).
Color values
| HEX | #3099B7 |
|---|---|
| RGB | rgb(48, 153, 183) |
| HSL | hsl(193, 58%, 45%) |
| HSV | hsv(193, 74%, 72%) |
| CMYK | cmyk(73.8%, 16.4%, 0%, 28.2%) |
| CIE-LAB | lab(58.81, -19.47, -24.12) |
| CIE-LCH | lch(58.81, 31.00, 231.10°) |
| OKLab | oklab(63.7% -0.0771 -0.0674) |
| OKLCH | oklch(63.7% 0.102 221.2) |
| XYZ | xyz(21.1538, 26.8273, 48.8539) |
| Luminance | 0.2683 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.93
Dirty Blue
#3F829D
ΔE00 8.13
Greyblue
#77A1B5
ΔE00 8.43
Turquoise Blue
#06B1C4
ΔE00 8.87
Cadetblue
#5F9EA0
ΔE00 10.14
Dusty Blue
#5A86AD
ΔE00 11.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3099B7 #B74E30
analogous
#30B791 #3099B7 #3056B7
triadic
#3099B7 #B73099 #99B730
tetradic
#3099B7 #9130B7 #B74E30 #56B730
square
#3099B7 #9130B7 #B74E30 #56B730
split-complementary
#3099B7 #B73056 #B79130
monochromatic
#174856 #237087 #3099B7 #52B5D2 #83CADE
Accessibility & contrast
On white
3.30
#3099B7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.37
#3099B7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3099B7
6.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3099B7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3099B7 | 1.00 | 3.30 | 6.37 | 6.37 |
| #FFFFFF | 3.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8795B9
Deuteranopia (green-blind)
#7588B7
Tritanopia (blue-blind)
#00A3A3
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #3099b7; /* rgb */ color: rgb(48, 153, 183); /* oklch */ color: oklch(63.7% 0.102 221.2);
Tailwind
colors: {
custom: {
50: '#7cb7cc',
500: '#3099b7',
950: '#000000',
},
}SCSS
$custom: #3099b7; $custom-light: #7cb7cc; $custom-dark: #000000;
JSON
{
"hex": "#3099b7",
"rgb": {
"r": 48,
"g": 153,
"b": 183
},
"hsl": {
"h": 193.333,
"s": 58.442,
"l": 45.294
},
"oklch": {
"l": 0.63703,
"c": 0.10242,
"h": 221.2
},
"luminance": 0.2683
}Semantic roles & 50–950 ramp
primary
#3099B7
secondary
#C88C7B
accent
#6946E2
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082