#2189B4#2189B4
#2189B4 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.110 H 231.5°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #2189B4 |
|---|---|
| RGB | rgb(33, 137, 180) |
| HSL | hsl(198, 69%, 42%) |
| HSV | hsv(198, 82%, 71%) |
| CMYK | cmyk(81.7%, 23.9%, 0%, 29.4%) |
| CIE-LAB | lab(53.50, -13.47, -30.66) |
| CIE-LCH | lch(53.50, 33.49, 246.29°) |
| OKLab | oklab(59.32% -0.0688 -0.0864) |
| OKLCH | oklch(59.32% 0.11 231.5) |
| XYZ | xyz(17.8077, 21.5077, 46.3840) |
| Luminance | 0.2151 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.83
Cerulean
#007BA7
ΔE00 5.34
Water Blue
#0E87CC
ΔE00 5.97
Steel Blue
#4682B4
ΔE00 6.33
Nice Blue
#107AB0
ΔE00 6.42
Cool Blue
#4984B8
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2189B4 #B44C21
analogous
#21B496 #2189B4 #2140B4
triadic
#2189B4 #B42189 #89B421
tetradic
#2189B4 #9621B4 #B44C21 #40B421
square
#2189B4 #9621B4 #B44C21 #40B421
split-complementary
#2189B4 #B42140 #B49621
monochromatic
#0E3A4D #186280 #2189B4 #38ABDA #6BC1E4
Accessibility & contrast
On white
3.96
#2189B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.30
#2189B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2189B4
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2189B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2189B4 | 1.00 | 3.96 | 5.30 | 5.30 |
| #FFFFFF | 3.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7387B6
Deuteranopia (green-blind)
#607AB3
Tritanopia (blue-blind)
#009598
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #2189b4; /* rgb */ color: rgb(33, 137, 180); /* oklch */ color: oklch(59.3% 0.110 231.5);
Tailwind
colors: {
custom: {
50: '#76abca',
500: '#2189b4',
950: '#000000',
},
}SCSS
$custom: #2189b4; $custom-light: #76abca; $custom-dark: #000000;
JSON
{
"hex": "#2189b4",
"rgb": {
"r": 33,
"g": 137,
"b": 180
},
"hsl": {
"h": 197.551,
"s": 69.014,
"l": 41.765
},
"oklch": {
"l": 0.5932,
"c": 0.11046,
"h": 231.5
},
"luminance": 0.2151
}Semantic roles & 50–950 ramp
primary
#2189B4
secondary
#CA8467
accent
#6F3CEC
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82