#2198B2#2198B2
#2198B2 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 62.9% C 0.105 H 216.9°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).
Color values
| HEX | #2198B2 |
|---|---|
| RGB | rgb(33, 152, 178) |
| HSL | hsl(191, 69%, 41%) |
| HSV | hsv(191, 81%, 70%) |
| CMYK | cmyk(81.5%, 14.6%, 0%, 30.2%) |
| CIE-LAB | lab(58.03, -22.25, -22.52) |
| CIE-LCH | lch(58.03, 31.66, 225.34°) |
| OKLab | oklab(62.93% -0.0839 -0.063) |
| OKLCH | oklch(62.93% 0.105 216.9) |
| XYZ | xyz(19.8879, 25.9917, 46.0796) |
| Luminance | 0.2599 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.80
Turquoise Blue
#06B1C4
ΔE00 8.24
Dirty Blue
#3F829D
ΔE00 8.34
Cadetblue
#5F9EA0
ΔE00 9.17
Greyblue
#77A1B5
ΔE00 9.66
Ocean
#017B92
ΔE00 10.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2198B2 #B23B21
analogous
#21B284 #2198B2 #2150B2
triadic
#2198B2 #B22198 #98B221
tetradic
#2198B2 #8421B2 #B23B21 #50B221
square
#2198B2 #8421B2 #B23B21 #50B221
split-complementary
#2198B2 #B22150 #B28421
monochromatic
#0E404B #176C7E #2198B2 #36BDDA #6ACEE3
Accessibility & contrast
On white
3.39
#2198B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.20
#2198B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2198B2
6.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2198B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2198B2 | 1.00 | 3.39 | 6.20 | 6.20 |
| #FFFFFF | 3.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8793B3
Deuteranopia (green-blind)
#7486B2
Tritanopia (blue-blind)
#00A1A0
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #2198b2; /* rgb */ color: rgb(33, 152, 178); /* oklch */ color: oklch(62.9% 0.105 216.9);
Tailwind
colors: {
custom: {
50: '#77b6c9',
500: '#2198b2',
950: '#000000',
},
}SCSS
$custom: #2198b2; $custom-light: #77b6c9; $custom-dark: #000000;
JSON
{
"hex": "#2198b2",
"rgb": {
"r": 33,
"g": 152,
"b": 178
},
"hsl": {
"h": 190.759,
"s": 68.72,
"l": 41.373
},
"oklch": {
"l": 0.62926,
"c": 0.10486,
"h": 216.9
},
"luminance": 0.25994
}Semantic roles & 50–950 ramp
primary
#2198B2
secondary
#C97766
accent
#5C3CEC
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082