#3A9CB2#3A9CB2
#3A9CB2 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.5% C 0.095 H 215.5°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).
Color values
| HEX | #3A9CB2 |
|---|---|
| RGB | rgb(58, 156, 178) |
| HSL | hsl(191, 51%, 46%) |
| HSV | hsv(191, 67%, 70%) |
| CMYK | cmyk(67.4%, 12.4%, 0%, 30.2%) |
| CIE-LAB | lab(59.79, -21.24, -19.78) |
| CIE-LCH | lch(59.79, 29.03, 222.97°) |
| OKLab | oklab(64.49% -0.0772 -0.0551) |
| OKLCH | oklch(64.49% 0.095 215.5) |
| XYZ | xyz(21.6659, 27.8884, 46.3520) |
| Luminance | 0.2789 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.94
Teal Blue
#01889F
ΔE00 7.34
Cadetblue
#5F9EA0
ΔE00 7.55
Greyblue
#77A1B5
ΔE00 8.46
Dirty Blue
#3F829D
ΔE00 9.57
Bluegrey
#85A3B2
ΔE00 11.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A9CB2 #B2503A
analogous
#3AB28C #3A9CB2 #3A60B2
triadic
#3A9CB2 #B23A9C #9CB23A
tetradic
#3A9CB2 #8C3AB2 #B2503A #60B23A
square
#3A9CB2 #8C3AB2 #B2503A #60B23A
split-complementary
#3A9CB2 #B23A60 #B28C3A
monochromatic
#1C4B56 #2B7484 #3A9CB2 #5FB7CB #8DCCDA
Accessibility & contrast
On white
3.19
#3A9CB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.58
#3A9CB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A9CB2
6.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A9CB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A9CB2 | 1.00 | 3.19 | 6.58 | 6.58 |
| #FFFFFF | 3.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D97B3
Deuteranopia (green-blind)
#7C8BB2
Tritanopia (blue-blind)
#00A4A3
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #3a9cb2; /* rgb */ color: rgb(58, 156, 178); /* oklch */ color: oklch(64.5% 0.095 215.5);
Tailwind
colors: {
custom: {
50: '#7fb9c9',
500: '#3a9cb2',
950: '#000000',
},
}SCSS
$custom: #3a9cb2; $custom-light: #7fb9c9; $custom-dark: #000000;
JSON
{
"hex": "#3a9cb2",
"rgb": {
"r": 58,
"g": 156,
"b": 178
},
"hsl": {
"h": 191,
"s": 50.847,
"l": 46.275
},
"oklch": {
"l": 0.64493,
"c": 0.09485,
"h": 215.5
},
"luminance": 0.27891
}Semantic roles & 50–950 ramp
primary
#3A9CB2
secondary
#C48F83
accent
#674DDA
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082