#17558C#17558C
#17558C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.109 H 249.9°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #17558C |
|---|---|
| RGB | rgb(23, 85, 140) |
| HSL | hsl(208, 72%, 32%) |
| HSV | hsv(208, 84%, 55%) |
| CMYK | cmyk(83.6%, 39.3%, 0%, 45.1%) |
| CIE-LAB | lab(35.15, 1.67, -35.93) |
| CIE-LCH | lch(35.15, 35.97, 272.66°) |
| OKLab | oklab(44.06% -0.0375 -0.1026) |
| OKLCH | oklch(44.06% 0.109 249.9) |
| XYZ | xyz(8.3337, 8.5716, 26.0211) |
| Luminance | 0.0857 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.79
Dusk Blue
#26538D
ΔE00 2.42
Light Navy Blue
#2E5A88
ΔE00 2.43
Deep Sea Blue
#015482
ΔE00 2.95
Denim Blue
#3B5B92
ΔE00 5.03
Denim (survey)
#3B638C
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17558C #8C4E17
analogous
#178C89 #17558C #171B8C
triadic
#17558C #8C1755 #558C17
tetradic
#17558C #89178C #8C4E17 #1B8C17
square
#17558C #89178C #8C4E17 #1B8C17
split-complementary
#17558C #8C171B #8C8917
monochromatic
#061523 #0E3557 #17558C #2075C1 #3E94DF
Accessibility & contrast
On white
7.74
#17558C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#17558C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17558C
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17558C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17558C | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B588E
Deuteranopia (green-blind)
#284E8B
Tritanopia (blue-blind)
#006269
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #17558c; /* rgb */ color: rgb(23, 85, 140); /* oklch */ color: oklch(44.1% 0.109 249.9);
Tailwind
colors: {
custom: {
50: '#6984ae',
500: '#17558c',
950: '#000000',
},
}SCSS
$custom: #17558c; $custom-light: #6984ae; $custom-dark: #000000;
JSON
{
"hex": "#17558c",
"rgb": {
"r": 23,
"g": 85,
"b": 140
},
"hsl": {
"h": 208.205,
"s": 71.779,
"l": 31.961
},
"oklch": {
"l": 0.44062,
"c": 0.10924,
"h": 249.9
},
"luminance": 0.08573
}Semantic roles & 50–950 ramp
primary
#17558C
secondary
#BF7C3F
accent
#8E39EF
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F