#309EBD#309EBD
#309EBD is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.2% C 0.106 H 221.0°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).
Color values
| HEX | #309EBD |
|---|---|
| RGB | rgb(48, 158, 189) |
| HSL | hsl(193, 59%, 46%) |
| HSV | hsv(193, 75%, 74%) |
| CMYK | cmyk(74.6%, 16.4%, 0%, 25.9%) |
| CIE-LAB | lab(60.56, -20.13, -24.82) |
| CIE-LCH | lch(60.56, 31.95, 230.95°) |
| OKLab | oklab(65.18% -0.0797 -0.0694) |
| OKLCH | oklch(65.18% 0.106 221) |
| XYZ | xyz(22.6273, 28.7535, 52.4917) |
| Luminance | 0.2876 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 7.76
Greyblue
#77A1B5
ΔE00 8.08
Teal Blue
#01889F
ΔE00 8.38
Dirty Blue
#3F829D
ΔE00 9.67
Cadetblue
#5F9EA0
ΔE00 10.15
Bluegrey
#85A3B2
ΔE00 10.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#309EBD #BD4F30
analogous
#30BD96 #309EBD #3058BD
triadic
#309EBD #BD309E #9EBD30
tetradic
#309EBD #9630BD #BD4F30 #58BD30
square
#309EBD #9630BD #BD4F30 #58BD30
split-complementary
#309EBD #BD3058 #BD9630
monochromatic
#174C5B #24758C #309EBD #56B8D4 #87CDE0
Accessibility & contrast
On white
3.11
#309EBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.75
#309EBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #309EBD
6.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##309EBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##309EBD | 1.00 | 3.11 | 6.75 | 6.75 |
| #FFFFFF | 3.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.75 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.75 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8B9ABF
Deuteranopia (green-blind)
#788CBD
Tritanopia (blue-blind)
#00A8A8
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #309ebd; /* rgb */ color: rgb(48, 158, 189); /* oklch */ color: oklch(65.2% 0.106 221.0);
Tailwind
colors: {
custom: {
50: '#7dbad1',
500: '#309ebd',
950: '#000000',
},
}SCSS
$custom: #309ebd; $custom-light: #7dbad1; $custom-dark: #000000;
JSON
{
"hex": "#309ebd",
"rgb": {
"r": 48,
"g": 158,
"b": 189
},
"hsl": {
"h": 193.191,
"s": 59.494,
"l": 46.471
},
"oklch": {
"l": 0.65184,
"c": 0.10568,
"h": 221
},
"luminance": 0.28756
}Semantic roles & 50–950 ramp
primary
#309EBD
secondary
#CA8F7F
accent
#6845E3
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082