#3A9CBC#3A9CBC
#3A9CBC is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.9% C 0.101 H 223.5°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).
Color values
| HEX | #3A9CBC |
|---|---|
| RGB | rgb(58, 156, 188) |
| HSL | hsl(195, 53%, 48%) |
| HSV | hsv(195, 69%, 74%) |
| CMYK | cmyk(69.1%, 17%, 0%, 26.3%) |
| CIE-LAB | lab(60.16, -18.04, -24.85) |
| CIE-LCH | lch(60.16, 30.71, 234.02°) |
| OKLab | oklab(64.92% -0.0733 -0.0694) |
| OKLCH | oklch(64.92% 0.101 223.5) |
| XYZ | xyz(22.7068, 28.3048, 51.8339) |
| Luminance | 0.2831 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.50
Teal Blue
#01889F
ΔE00 8.38
Turquoise Blue
#06B1C4
ΔE00 8.83
Dirty Blue
#3F829D
ΔE00 8.97
Bluegrey
#85A3B2
ΔE00 10.41
Cadetblue
#5F9EA0
ΔE00 10.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A9CBC #BC5A3A
analogous
#3ABC9B #3A9CBC #3A5BBC
triadic
#3A9CBC #BC3A9C #9CBC3A
tetradic
#3A9CBC #9B3ABC #BC5A3A #5BBC3A
square
#3A9CBC #9B3ABC #BC5A3A #5BBC3A
split-complementary
#3A9CBC #BC3A5B #BC9B3A
monochromatic
#1D4E5E #2C758D #3A9CBC #64B5CF #93CBDE
Accessibility & contrast
On white
3.15
#3A9CBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.66
#3A9CBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A9CBC
6.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A9CBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A9CBC | 1.00 | 3.15 | 6.66 | 6.66 |
| #FFFFFF | 3.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8A98BE
Deuteranopia (green-blind)
#788BBC
Tritanopia (blue-blind)
#00A6A6
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #3a9cbc; /* rgb */ color: rgb(58, 156, 188); /* oklch */ color: oklch(64.9% 0.101 223.5);
Tailwind
colors: {
custom: {
50: '#80b9d0',
500: '#3a9cbc',
950: '#000000',
},
}SCSS
$custom: #3a9cbc; $custom-light: #80b9d0; $custom-dark: #000000;
JSON
{
"hex": "#3a9cbc",
"rgb": {
"r": 58,
"g": 156,
"b": 188
},
"hsl": {
"h": 194.769,
"s": 52.846,
"l": 48.235
},
"oklch": {
"l": 0.64919,
"c": 0.10095,
"h": 223.5
},
"luminance": 0.28307
}Semantic roles & 50–950 ramp
primary
#3A9CBC
secondary
#C99989
accent
#6F4CDC
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082