#17497E#17497E
#17497E is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.2% C 0.104 H 253.0°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).
Color values
| HEX | #17497E |
|---|---|
| RGB | rgb(23, 73, 126) |
| HSL | hsl(211, 69%, 29%) |
| HSV | hsv(211, 82%, 49%) |
| CMYK | cmyk(81.7%, 42.1%, 0%, 50.6%) |
| CIE-LAB | lab(30.53, 3.93, -34.67) |
| CIE-LCH | lch(30.53, 34.89, 276.46°) |
| OKLab | oklab(40.18% -0.0302 -0.0991) |
| OKLCH | oklch(40.18% 0.104 253) |
| XYZ | xyz(6.5004, 6.4528, 20.6375) |
| Luminance | 0.0645 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 1.94
Prussian Blue
#004577
ΔE00 2.15
Light Navy
#155084
ΔE00 2.64
Darkish Blue
#014182
ΔE00 2.78
Cobalt (survey)
#1E488F
ΔE00 3.15
Dusk Blue
#26538D
ΔE00 3.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17497E #7E4C17
analogous
#177D7E #17497E #19177E
triadic
#17497E #7E1749 #497E17
tetradic
#17497E #7E177D #7E4C17 #177E19
square
#17497E #7E177D #7E4C17 #177E19
split-complementary
#17497E #7E1917 #7D7E17
monochromatic
#050F1A #0E2B4A #17497E #2067B2 #3585DA
Accessibility & contrast
On white
9.17
#17497E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#17497E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17497E
9.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17497E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17497E | 1.00 | 9.17 | 2.29 | 9.17 |
| #FFFFFF | 9.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2F4D80
Deuteranopia (green-blind)
#1E447D
Tritanopia (blue-blind)
#00565D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #17497e; /* rgb */ color: rgb(23, 73, 126); /* oklch */ color: oklch(40.2% 0.104 253.0);
Tailwind
colors: {
custom: {
50: '#667ba4',
500: '#17497e',
950: '#000000',
},
}SCSS
$custom: #17497e; $custom-light: #667ba4; $custom-dark: #000000;
JSON
{
"hex": "#17497e",
"rgb": {
"r": 23,
"g": 73,
"b": 126
},
"hsl": {
"h": 210.874,
"s": 69.128,
"l": 29.216
},
"oklch": {
"l": 0.40177,
"c": 0.10361,
"h": 253
},
"luminance": 0.06454
}Semantic roles & 50–950 ramp
primary
#17497E
secondary
#B37A3E
accent
#963CEC
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07090F
muted
#7A7B7F