#2189B2#2189B2
#2189B2 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.2% C 0.109 H 230.2°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #2189B2 |
|---|---|
| RGB | rgb(33, 137, 178) |
| HSL | hsl(197, 69%, 41%) |
| HSV | hsv(197, 81%, 70%) |
| CMYK | cmyk(81.5%, 23%, 0%, 30.2%) |
| CIE-LAB | lab(53.41, -14.18, -29.65) |
| CIE-LCH | lch(53.41, 32.86, 244.44°) |
| OKLab | oklab(59.22% -0.0695 -0.0835) |
| OKLCH | oklch(59.22% 0.109 230.2) |
| XYZ | xyz(17.6054, 21.4268, 45.3187) |
| Luminance | 0.2143 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.43
Cerulean
#007BA7
ΔE00 5.38
Water Blue
#0E87CC
ΔE00 6.62
Nice Blue
#107AB0
ΔE00 6.75
Steel Blue
#4682B4
ΔE00 6.77
Teal Blue
#01889F
ΔE00 6.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2189B2 #B24A21
analogous
#21B293 #2189B2 #2140B2
triadic
#2189B2 #B22189 #89B221
tetradic
#2189B2 #9321B2 #B24A21 #40B221
square
#2189B2 #9321B2 #B24A21 #40B221
split-complementary
#2189B2 #B22140 #B29321
monochromatic
#0E3A4B #17617E #2189B2 #36ACDA #6AC1E3
Accessibility & contrast
On white
3.97
#2189B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.29
#2189B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2189B2
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2189B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2189B2 | 1.00 | 3.97 | 5.29 | 5.29 |
| #FFFFFF | 3.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7487B4
Deuteranopia (green-blind)
#617AB1
Tritanopia (blue-blind)
#009497
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #2189b2; /* rgb */ color: rgb(33, 137, 178); /* oklch */ color: oklch(59.2% 0.109 230.2);
Tailwind
colors: {
custom: {
50: '#75abc9',
500: '#2189b2',
950: '#000000',
},
}SCSS
$custom: #2189b2; $custom-light: #75abc9; $custom-dark: #000000;
JSON
{
"hex": "#2189b2",
"rgb": {
"r": 33,
"g": 137,
"b": 178
},
"hsl": {
"h": 196.966,
"s": 68.72,
"l": 41.373
},
"oklch": {
"l": 0.59221,
"c": 0.10866,
"h": 230.2
},
"luminance": 0.21429
}Semantic roles & 50–950 ramp
primary
#2189B2
secondary
#C98266
accent
#6E3CEC
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82