#216F81#216F81
#216F81 is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.3% C 0.078 H 216.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #216F81 |
|---|---|
| RGB | rgb(33, 111, 129) |
| HSL | hsl(191, 59%, 32%) |
| HSV | hsv(191, 74%, 51%) |
| CMYK | cmyk(74.4%, 14%, 0%, 49.4%) |
| CIE-LAB | lab(43.18, -16.90, -16.71) |
| CIE-LCH | lch(43.18, 23.77, 224.67°) |
| OKLab | oklab(50.34% -0.0627 -0.0466) |
| OKLCH | oklch(50.34% 0.078 216.6) |
| XYZ | xyz(10.2724, 13.2760, 22.7858) |
| Luminance | 0.1328 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 4.55
Sea Blue
#047495
ΔE00 5.35
Deep Aqua
#08787F
ΔE00 6.63
Petrol
#005F6A
ΔE00 6.70
Dark Aqua
#05696B
ΔE00 8.23
Ocean Blue (survey)
#03719C
ΔE00 8.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#216F81 #813321
analogous
#218163 #216F81 #213F81
triadic
#216F81 #81216F #6F8121
tetradic
#216F81 #632181 #813321 #3F8121
square
#216F81 #632181 #813321 #3F8121
split-complementary
#216F81 #81213F #816321
monochromatic
#081B20 #154550 #216F81 #2D99B2 #4BB8D1
Accessibility & contrast
On white
5.74
#216F81 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#216F81 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #216F81
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##216F81 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##216F81 | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#636C82
Deuteranopia (green-blind)
#566281
Tritanopia (blue-blind)
#007575
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #216f81; /* rgb */ color: rgb(33, 111, 129); /* oklch */ color: oklch(50.3% 0.078 216.6);
Tailwind
colors: {
custom: {
50: '#6b98a5',
500: '#216f81',
950: '#000000',
},
}SCSS
$custom: #216f81; $custom-light: #6b98a5; $custom-dark: #000000;
JSON
{
"hex": "#216f81",
"rgb": {
"r": 33,
"g": 111,
"b": 129
},
"hsl": {
"h": 191.25,
"s": 59.259,
"l": 31.765
},
"oklch": {
"l": 0.5034,
"c": 0.07815,
"h": 216.6
},
"luminance": 0.13277
}Semantic roles & 50–950 ramp
primary
#216F81
secondary
#B45E4A
accent
#6345E2
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D0F
muted
#7B7E7F