#217B91#217B91
#217B91 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.2% C 0.087 H 218.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #217B91 |
|---|---|
| RGB | rgb(33, 123, 145) |
| HSL | hsl(192, 63%, 35%) |
| HSV | hsv(192, 77%, 57%) |
| CMYK | cmyk(77.2%, 15.2%, 0%, 43.1%) |
| CIE-LAB | lab(47.66, -18.00, -19.35) |
| CIE-LCH | lch(47.66, 26.43, 227.07°) |
| OKLab | oklab(54.16% -0.0686 -0.0541) |
| OKLCH | oklch(54.16% 0.087 218.2) |
| XYZ | xyz(12.8188, 16.5320, 29.2980) |
| Luminance | 0.1653 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 1.20
Sea Blue
#047495
ΔE00 4.65
Teal Blue
#01889F
ΔE00 4.87
Dirty Blue
#3F829D
ΔE00 4.98
Deep Aqua
#08787F
ΔE00 7.02
Cerulean
#007BA7
ΔE00 7.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#217B91 #913721
analogous
#21916F #217B91 #214391
triadic
#217B91 #91217B #7B9121
tetradic
#217B91 #6F2191 #913721 #439121
square
#217B91 #6F2191 #913721 #439121
split-complementary
#217B91 #912143 #916F21
monochromatic
#0A262D #16515F #217B91 #2CA5C3 #54BED8
Accessibility & contrast
On white
4.88
#217B91 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.31
#217B91 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #217B91
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##217B91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##217B91 | 1.00 | 4.88 | 4.31 | 4.88 |
| #FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D7792
Deuteranopia (green-blind)
#5E6C91
Tritanopia (blue-blind)
#008282
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #217b91; /* rgb */ color: rgb(33, 123, 145); /* oklch */ color: oklch(54.2% 0.087 218.2);
Tailwind
colors: {
custom: {
50: '#6fa1b1',
500: '#217b91',
950: '#000000',
},
}SCSS
$custom: #217b91; $custom-light: #6fa1b1; $custom-dark: #000000;
JSON
{
"hex": "#217b91",
"rgb": {
"r": 33,
"g": 123,
"b": 145
},
"hsl": {
"h": 191.786,
"s": 62.921,
"l": 34.902
},
"oklch": {
"l": 0.54159,
"c": 0.08734,
"h": 218.2
},
"luminance": 0.16534
}Semantic roles & 50–950 ramp
primary
#217B91
secondary
#BC6752
accent
#6242E6
background
#F7F9FA
surface
#EDF2F5
border
#C8CCCF
text
#080F10
muted
#7B7E7F