#17475B#17475B
#17475B is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.5% C 0.061 H 229.4°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).
Color values
| HEX | #17475B |
|---|---|
| RGB | rgb(23, 71, 91) |
| HSL | hsl(198, 60%, 22%) |
| HSV | hsv(198, 75%, 36%) |
| CMYK | cmyk(74.7%, 22%, 0%, 64.3%) |
| CIE-LAB | lab(27.96, -8.69, -16.52) |
| CIE-LCH | lch(27.96, 18.67, 242.26°) |
| OKLab | oklab(37.53% -0.0398 -0.0463) |
| OKLCH | oklch(37.53% 0.061 229.4) |
| XYZ | xyz(4.4942, 5.4435, 10.7093) |
| Luminance | 0.0544 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 4.24
Dark Slate Blue
#214761
ΔE00 4.26
Dark Blue Grey
#1F3B4D
ΔE00 5.10
Charcoal
#36454F
ΔE00 7.00
Deep Sea Blue
#015482
ΔE00 8.88
Prussian Blue
#004577
ΔE00 9.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17475B #5B2B17
analogous
#175B4D #17475B #17255B
triadic
#17475B #5B1747 #475B17
tetradic
#17475B #4D175B #5B2B17 #255B17
square
#17475B #4D175B #5B2B17 #255B17
split-complementary
#17475B #5B1725 #5B4D17
monochromatic
#061318 #0B212A #17475B #236D8C #3093BD
Accessibility & contrast
On white
10.05
#17475B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.09
#17475B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17475B
10.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17475B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17475B | 1.00 | 10.05 | 2.09 | 10.05 |
| #FFFFFF | 10.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D465C
Deuteranopia (green-blind)
#333F5B
Tritanopia (blue-blind)
#004D4E
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #17475b; /* rgb */ color: rgb(23, 71, 91); /* oklch */ color: oklch(37.5% 0.061 229.4);
Tailwind
colors: {
custom: {
50: '#5e7a89',
500: '#17475b',
950: '#000000',
},
}SCSS
$custom: #17475b; $custom-light: #5e7a89; $custom-dark: #000000;
JSON
{
"hex": "#17475b",
"rgb": {
"r": 23,
"g": 71,
"b": 91
},
"hsl": {
"h": 197.647,
"s": 59.649,
"l": 22.353
},
"oklch": {
"l": 0.3753,
"c": 0.06104,
"h": 229.4
},
"luminance": 0.05444
}Semantic roles & 50–950 ramp
primary
#17475B
secondary
#92553C
accent
#7345E3
background
#F5F7F8
surface
#EAEDF0
border
#C6C8CB
text
#05090B
muted
#797B7C