#216D9C#216D9C
#216D9C is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.2% C 0.104 H 240.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).
Color values
| HEX | #216D9C |
|---|---|
| RGB | rgb(33, 109, 156) |
| HSL | hsl(203, 65%, 37%) |
| HSV | hsv(203, 79%, 61%) |
| CMYK | cmyk(78.8%, 30.1%, 0%, 38.8%) |
| CIE-LAB | lab(43.74, -6.02, -31.94) |
| CIE-LCH | lch(43.74, 32.50, 259.34°) |
| OKLab | oklab(51.19% -0.0504 -0.0904) |
| OKLCH | oklch(51.19% 0.104 240.9) |
| XYZ | xyz(12.0942, 13.6595, 33.4452) |
| Luminance | 0.1366 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.70
Ocean Blue (survey)
#03719C
ΔE00 3.17
Muted Blue
#3B719F
ΔE00 3.21
Ugly Blue
#31668A
ΔE00 3.45
Flat Blue
#3C73A8
ΔE00 4.49
Nice Blue
#107AB0
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#216D9C #9C5021
analogous
#219C8E #216D9C #21309C
triadic
#216D9C #9C216D #6D9C21
tetradic
#216D9C #8E219C #9C5021 #309C21
square
#216D9C #8E219C #9C5021 #309C21
split-complementary
#216D9C #9C2130 #9C8E21
monochromatic
#0C2637 #164A69 #216D9C #2C90CF #5BABDC
Accessibility & contrast
On white
5.63
#216D9C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.73
#216D9C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #216D9C
5.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##216D9C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##216D9C | 1.00 | 5.63 | 3.73 | 5.63 |
| #FFFFFF | 5.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#576E9E
Deuteranopia (green-blind)
#46629B
Tritanopia (blue-blind)
#00797D
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #216d9c; /* rgb */ color: rgb(33, 109, 156); /* oklch */ color: oklch(51.2% 0.104 240.9);
Tailwind
colors: {
custom: {
50: '#7096b9',
500: '#216d9c',
950: '#000000',
},
}SCSS
$custom: #216d9c; $custom-light: #7096b9; $custom-dark: #000000;
JSON
{
"hex": "#216d9c",
"rgb": {
"r": 33,
"g": 109,
"b": 156
},
"hsl": {
"h": 202.927,
"s": 65.079,
"l": 37.059
},
"oklch": {
"l": 0.51186,
"c": 0.10356,
"h": 240.9
},
"luminance": 0.13661
}Semantic roles & 50–950 ramp
primary
#216D9C
secondary
#C18058
accent
#8040E8
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090D11
muted
#7B7E80