#3C91BF#3C91BF
#3C91BF is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.107 H 235.8°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3C91BF |
|---|---|
| RGB | rgb(60, 145, 191) |
| HSL | hsl(201, 52%, 49%) |
| HSV | hsv(201, 69%, 75%) |
| CMYK | cmyk(68.6%, 24.1%, 0%, 25.1%) |
| CIE-LAB | lab(57.05, -10.73, -31.36) |
| CIE-LCH | lch(57.05, 33.14, 251.11°) |
| OKLab | oklab(62.49% -0.0598 -0.0882) |
| OKLCH | oklch(62.49% 0.107 235.8) |
| XYZ | xyz(21.3892, 24.9707, 52.9727) |
| Luminance | 0.2497 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 5.29
Cool Blue
#4984B8
ΔE00 6.07
Dusty Blue
#5A86AD
ΔE00 6.25
Steel Blue
#4682B4
ΔE00 6.29
Cerulean (survey)
#0485D1
ΔE00 6.40
Off Blue
#5684AE
ΔE00 6.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3C91BF #BF6A3C
analogous
#3CBFAC #3C91BF #3C50BF
triadic
#3C91BF #BF3C91 #91BF3C
tetradic
#3C91BF #AC3CBF #BF6A3C #50BF3C
square
#3C91BF #AC3CBF #BF6A3C #50BF3C
split-complementary
#3C91BF #BF3C50 #BFAC3C
monochromatic
#1F4A62 #2D6E90 #3C91BF #68ABD0 #97C5DE
Accessibility & contrast
On white
3.50
#3C91BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#3C91BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3C91BF
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3C91BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3C91BF | 1.00 | 3.50 | 5.99 | 5.99 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B90C1
Deuteranopia (green-blind)
#6983BE
Tritanopia (blue-blind)
#009DA1
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #3c91bf; /* rgb */ color: rgb(60, 145, 191); /* oklch */ color: oklch(62.5% 0.107 235.8);
Tailwind
colors: {
custom: {
50: '#81b1d2',
500: '#3c91bf',
950: '#000000',
},
}SCSS
$custom: #3c91bf; $custom-light: #81b1d2; $custom-dark: #000000;
JSON
{
"hex": "#3c91bf",
"rgb": {
"r": 60,
"g": 145,
"b": 191
},
"hsl": {
"h": 201.069,
"s": 52.191,
"l": 49.216
},
"oklch": {
"l": 0.62489,
"c": 0.10653,
"h": 235.8
},
"luminance": 0.24973
}Semantic roles & 50–950 ramp
primary
#3C91BF
secondary
#CAA28D
accent
#7F4CDC
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0B1014
muted
#7C7F82