#3D91BC#3D91BC
#3D91BC is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.4% C 0.103 H 234.2°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #3D91BC |
|---|---|
| RGB | rgb(61, 145, 188) |
| HSL | hsl(200, 51%, 49%) |
| HSV | hsv(200, 68%, 74%) |
| CMYK | cmyk(67.6%, 22.9%, 0%, 26.3%) |
| CIE-LAB | lab(56.95, -11.58, -29.80) |
| CIE-LCH | lch(56.95, 31.97, 248.77°) |
| OKLab | oklab(62.38% -0.0603 -0.0837) |
| OKLCH | oklch(62.38% 0.103 234.2) |
| XYZ | xyz(21.1234, 24.8715, 51.2546) |
| Luminance | 0.2487 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 5.94
Dusty Blue
#5A86AD
ΔE00 6.41
Cool Blue
#4984B8
ΔE00 6.47
Steel Blue
#4682B4
ΔE00 6.61
Off Blue
#5684AE
ΔE00 6.81
Dirty Blue
#3F829D
ΔE00 6.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3D91BC #BC683D
analogous
#3DBCA8 #3D91BC #3D52BC
triadic
#3D91BC #BC3D91 #91BC3D
tetradic
#3D91BC #A83DBC #BC683D #52BC3D
square
#3D91BC #A83DBC #BC683D #52BC3D
split-complementary
#3D91BC #BC3D52 #BCA83D
monochromatic
#1F4A60 #2E6D8E #3D91BC #68ACCE #96C5DD
Accessibility & contrast
On white
3.51
#3D91BC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.97
#3D91BC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3D91BC
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3D91BC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3D91BC | 1.00 | 3.51 | 5.97 | 5.97 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.97 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.97 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C90BE
Deuteranopia (green-blind)
#6B83BB
Tritanopia (blue-blind)
#009C9F
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #3d91bc; /* rgb */ color: rgb(61, 145, 188); /* oklch */ color: oklch(62.4% 0.103 234.2);
Tailwind
colors: {
custom: {
50: '#81b1d0',
500: '#3d91bc',
950: '#000000',
},
}SCSS
$custom: #3d91bc; $custom-light: #81b1d0; $custom-dark: #000000;
JSON
{
"hex": "#3d91bc",
"rgb": {
"r": 61,
"g": 145,
"b": 188
},
"hsl": {
"h": 200.315,
"s": 51.004,
"l": 48.824
},
"oklch": {
"l": 0.62378,
"c": 0.10312,
"h": 234.2
},
"luminance": 0.24874
}Semantic roles & 50–950 ramp
primary
#3D91BC
secondary
#C9A18C
accent
#7D4DDA
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0B1014
muted
#7C7F82