#216C9E#216C9E
#216C9E is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 51.1% C 0.107 H 242.8°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).
Color values
| HEX | #216C9E |
|---|---|
| RGB | rgb(33, 108, 158) |
| HSL | hsl(204, 65%, 37%) |
| HSV | hsv(204, 79%, 62%) |
| CMYK | cmyk(79.1%, 31.6%, 0%, 38%) |
| CIE-LAB | lab(43.53, -4.66, -33.46) |
| CIE-LCH | lch(43.53, 33.78, 262.07°) |
| OKLab | oklab(51.05% -0.0488 -0.0949) |
| OKLCH | oklch(51.05% 0.107 242.8) |
| XYZ | xyz(12.1589, 13.5156, 34.3091) |
| Luminance | 0.1352 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.94
Muted Blue
#3B719F
ΔE00 3.02
Ugly Blue
#31668A
ΔE00 3.51
Ocean Blue (survey)
#03719C
ΔE00 4.04
Flat Blue
#3C73A8
ΔE00 4.17
Mid Blue
#276AB3
ΔE00 4.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#216C9E #9E5321
analogous
#219E92 #216C9E #212E9E
triadic
#216C9E #9E216C #6C9E21
tetradic
#216C9E #92219E #9E5321 #2E9E21
square
#216C9E #92219E #9E5321 #2E9E21
split-complementary
#216C9E #9E212E #9E9221
monochromatic
#0C2739 #16496B #216C9E #2C8FD1 #5CAADD
Accessibility & contrast
On white
5.67
#216C9E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.70
#216C9E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #216C9E
5.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##216C9E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##216C9E | 1.00 | 5.67 | 3.70 | 5.67 |
| #FFFFFF | 5.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#556DA0
Deuteranopia (green-blind)
#43629D
Tritanopia (blue-blind)
#00787E
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #216c9e; /* rgb */ color: rgb(33, 108, 158); /* oklch */ color: oklch(51.1% 0.107 242.8);
Tailwind
colors: {
custom: {
50: '#7095bb',
500: '#216c9e',
950: '#000000',
},
}SCSS
$custom: #216c9e; $custom-light: #7095bb; $custom-dark: #000000;
JSON
{
"hex": "#216c9e",
"rgb": {
"r": 33,
"g": 108,
"b": 158
},
"hsl": {
"h": 204,
"s": 65.445,
"l": 37.451
},
"oklch": {
"l": 0.51052,
"c": 0.10669,
"h": 242.8
},
"luminance": 0.13517
}Semantic roles & 50–950 ramp
primary
#216C9E
secondary
#C18359
accent
#833FE8
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D12
muted
#7B7E81