#17487F#17487F
#17487F is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 40.0% C 0.106 H 254.1°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).
Color values
| HEX | #17487F |
|---|---|
| RGB | rgb(23, 72, 127) |
| HSL | hsl(212, 69%, 29%) |
| HSV | hsv(212, 82%, 50%) |
| CMYK | cmyk(81.9%, 43.3%, 0%, 50.2%) |
| CIE-LAB | lab(30.27, 5.01, -35.69) |
| CIE-LCH | lch(30.27, 36.04, 277.99°) |
| OKLab | oklab(40% -0.0291 -0.1021) |
| OKLCH | oklch(40% 0.106 254.1) |
| XYZ | xyz(6.5000, 6.3484, 20.9573) |
| Luminance | 0.0635 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 1.70
Prussian Blue
#004577
ΔE00 2.32
Darkish Blue
#014182
ΔE00 2.38
Cobalt (survey)
#1E488F
ΔE00 2.81
Light Navy
#155084
ΔE00 3.07
Dusk Blue
#26538D
ΔE00 3.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17487F #7F4E17
analogous
#177C7F #17487F #1A177F
triadic
#17487F #7F1748 #487F17
tetradic
#17487F #7F177C #7F4E17 #177F1A
square
#17487F #7F177C #7F4E17 #177F1A
split-complementary
#17487F #7F1A17 #7C7F17
monochromatic
#050F1A #0E2B4B #17487F #2065B3 #3683DB
Accessibility & contrast
On white
9.25
#17487F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.27
#17487F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17487F
9.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17487F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17487F | 1.00 | 9.25 | 2.27 | 9.25 |
| #FFFFFF | 9.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D4C81
Deuteranopia (green-blind)
#1A437E
Tritanopia (blue-blind)
#00555D
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #17487f; /* rgb */ color: rgb(23, 72, 127); /* oklch */ color: oklch(40.0% 0.106 254.1);
Tailwind
colors: {
custom: {
50: '#667aa4',
500: '#17487f',
950: '#000000',
},
}SCSS
$custom: #17487f; $custom-light: #667aa4; $custom-dark: #000000;
JSON
{
"hex": "#17487f",
"rgb": {
"r": 23,
"g": 72,
"b": 127
},
"hsl": {
"h": 211.731,
"s": 69.333,
"l": 29.412
},
"oklch": {
"l": 0.40001,
"c": 0.10619,
"h": 254.1
},
"luminance": 0.06349
}Semantic roles & 50–950 ramp
primary
#17487F
secondary
#B47C3E
accent
#993CEC
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07090F
muted
#7A7B7F