#2191AA#2191AA
#2191AA is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.8% C 0.101 H 217.1°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).
Color values
| HEX | #2191AA |
|---|---|
| RGB | rgb(33, 145, 170) |
| HSL | hsl(191, 67%, 40%) |
| HSV | hsv(191, 81%, 67%) |
| CMYK | cmyk(80.6%, 14.7%, 0%, 33.3%) |
| CIE-LAB | lab(55.56, -21.28, -21.75) |
| CIE-LCH | lch(55.56, 30.43, 225.64°) |
| OKLab | oklab(60.83% -0.0803 -0.0608) |
| OKLCH | oklch(60.83% 0.101 217.1) |
| XYZ | xyz(18.0052, 23.4742, 41.6044) |
| Luminance | 0.2348 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 3.55
Dirty Blue
#3F829D
ΔE00 6.41
Ocean
#017B92
ΔE00 8.24
Cadetblue
#5F9EA0
ΔE00 9.86
Dark Cyan
#0A888A
ΔE00 10.01
Turquoise Blue
#06B1C4
ΔE00 10.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2191AA #AA3A21
analogous
#21AA7F #2191AA #214CAA
triadic
#2191AA #AA2191 #91AA21
tetradic
#2191AA #7F21AA #AA3A21 #4CAA21
square
#2191AA #7F21AA #AA3A21 #4CAA21
split-complementary
#2191AA #AA214C #AA7F21
monochromatic
#0D3A43 #176577 #2191AA #31B9D7 #64CAE1
Accessibility & contrast
On white
3.69
#2191AA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.70
#2191AA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2191AA
5.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2191AA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2191AA | 1.00 | 3.69 | 5.70 | 5.70 |
| #FFFFFF | 3.69 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#818CAB
Deuteranopia (green-blind)
#6F7FAA
Tritanopia (blue-blind)
#009A99
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #2191aa; /* rgb */ color: rgb(33, 145, 170); /* oklch */ color: oklch(60.8% 0.101 217.1);
Tailwind
colors: {
custom: {
50: '#75b1c3',
500: '#2191aa',
950: '#000000',
},
}SCSS
$custom: #2191aa; $custom-light: #75b1c3; $custom-dark: #000000;
JSON
{
"hex": "#2191aa",
"rgb": {
"r": 33,
"g": 145,
"b": 170
},
"hsl": {
"h": 190.949,
"s": 67.488,
"l": 39.804
},
"oklch": {
"l": 0.60834,
"c": 0.10075,
"h": 217.1
},
"luminance": 0.23476
}Semantic roles & 50–950 ramp
primary
#2191AA
secondary
#C67361
accent
#5D3DEA
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1012
muted
#7C7F81