#3091BB#3091BB
#3091BB is a mid, moderate cyan. Relative luminance 0.245; OKLCH L 61.9% C 0.108 H 231.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).
Color values
| HEX | #3091BB |
|---|---|
| RGB | rgb(48, 145, 187) |
| HSL | hsl(198, 59%, 46%) |
| HSV | hsv(198, 74%, 73%) |
| CMYK | cmyk(74.3%, 22.5%, 0%, 26.7%) |
| CIE-LAB | lab(56.55, -13.79, -29.89) |
| CIE-LCH | lch(56.55, 32.91, 245.23°) |
| OKLab | oklab(61.94% -0.0676 -0.084) |
| OKLCH | oklch(61.94% 0.108 231.2) |
| XYZ | xyz(20.3103, 24.4647, 50.6558) |
| Luminance | 0.2447 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 6.49
Water Blue
#0E87CC
ΔE00 6.85
Dusty Blue
#5A86AD
ΔE00 7.47
Steel Blue
#4682B4
ΔE00 7.54
Cool Blue
#4984B8
ΔE00 7.55
Off Blue
#5684AE
ΔE00 7.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3091BB #BB5A30
analogous
#30BB9F #3091BB #304CBB
triadic
#3091BB #BB3091 #91BB30
tetradic
#3091BB #9F30BB #BB5A30 #4CBB30
square
#3091BB #9F30BB #BB5A30 #4CBB30
split-complementary
#3091BB #BB304C #BB9F30
monochromatic
#17455A #236B8A #3091BB #55ADD3 #86C5E0
Accessibility & contrast
On white
3.56
#3091BB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.89
#3091BB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3091BB
5.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3091BB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3091BB | 1.00 | 3.56 | 5.89 | 5.89 |
| #FFFFFF | 3.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8FBD
Deuteranopia (green-blind)
#6982BA
Tritanopia (blue-blind)
#009C9F
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #3091bb; /* rgb */ color: rgb(48, 145, 187); /* oklch */ color: oklch(61.9% 0.108 231.2);
Tailwind
colors: {
custom: {
50: '#7cb1cf',
500: '#3091bb',
950: '#000000',
},
}SCSS
$custom: #3091bb; $custom-light: #7cb1cf; $custom-dark: #000000;
JSON
{
"hex": "#3091bb",
"rgb": {
"r": 48,
"g": 145,
"b": 187
},
"hsl": {
"h": 198.129,
"s": 59.149,
"l": 46.078
},
"oklch": {
"l": 0.61944,
"c": 0.10786,
"h": 231.2
},
"luminance": 0.24467
}Semantic roles & 50–950 ramp
primary
#3091BB
secondary
#C9947D
accent
#7545E2
background
#F8FAFC
surface
#EFF5F9
border
#CACFD2
text
#0B1014
muted
#7C7F82