#3B91C6#3B91C6
#3B91C6 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.114 H 239.5°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).
Color values
| HEX | #3B91C6 |
|---|---|
| RGB | rgb(59, 145, 198) |
| HSL | hsl(203, 55%, 50%) |
| HSV | hsv(203, 70%, 78%) |
| CMYK | cmyk(70.2%, 26.8%, 0%, 22.4%) |
| CIE-LAB | lab(57.32, -8.51, -34.89) |
| CIE-LCH | lch(57.32, 35.91, 256.30°) |
| OKLab | oklab(62.8% -0.058 -0.0984) |
| OKLCH | oklch(62.8% 0.114 239.5) |
| XYZ | xyz(22.1181, 25.2554, 57.1242) |
| Luminance | 0.2526 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.20
Cerulean (survey)
#0485D1
ΔE00 5.18
Cool Blue
#4984B8
ΔE00 5.42
Azure (survey)
#069AF3
ΔE00 5.61
Steel Blue
#4682B4
ΔE00 5.82
Dusty Blue
#5A86AD
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B91C6 #C6703B
analogous
#3BC6B6 #3B91C6 #3B4BC6
triadic
#3B91C6 #C63B91 #91C63B
tetradic
#3B91C6 #B63BC6 #C6703B #4BC63B
square
#3B91C6 #B63BC6 #C6703B #4BC63B
split-complementary
#3B91C6 #C63B4B #C6B63B
monochromatic
#1E4C68 #2C6F98 #3B91C6 #6AACD4 #9AC6E2
Accessibility & contrast
On white
3.47
#3B91C6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.05
#3B91C6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B91C6
6.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B91C6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B91C6 | 1.00 | 3.47 | 6.05 | 6.05 |
| #FFFFFF | 3.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7891C8
Deuteranopia (green-blind)
#6584C5
Tritanopia (blue-blind)
#009EA3
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #3b91c6; /* rgb */ color: rgb(59, 145, 198); /* oklch */ color: oklch(62.8% 0.114 239.5);
Tailwind
colors: {
custom: {
50: '#81b1d7',
500: '#3b91c6',
950: '#000000',
},
}SCSS
$custom: #3b91c6; $custom-light: #81b1d7; $custom-dark: #000000;
JSON
{
"hex": "#3b91c6",
"rgb": {
"r": 59,
"g": 145,
"b": 198
},
"hsl": {
"h": 202.878,
"s": 54.941,
"l": 50.392
},
"oklch": {
"l": 0.62801,
"c": 0.11421,
"h": 239.5
},
"luminance": 0.25258
}Semantic roles & 50–950 ramp
primary
#3B91C6
secondary
#CDA78F
accent
#824ADE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83