#17497F#17497F
#17497F is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.2% C 0.105 H 253.4°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).
Color values
| HEX | #17497F |
|---|---|
| RGB | rgb(23, 73, 127) |
| HSL | hsl(211, 69%, 29%) |
| HSV | hsv(211, 82%, 50%) |
| CMYK | cmyk(81.9%, 42.5%, 0%, 50.2%) |
| CIE-LAB | lab(30.59, 4.33, -35.19) |
| CIE-LCH | lch(30.59, 35.45, 277.02°) |
| OKLab | oklab(40.25% -0.03 -0.1006) |
| OKLCH | oklch(40.25% 0.105 253.4) |
| XYZ | xyz(6.5652, 6.4788, 20.9791) |
| Luminance | 0.0648 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 1.96
Prussian Blue
#004577
ΔE00 2.26
Light Navy
#155084
ΔE00 2.67
Darkish Blue
#014182
ΔE00 2.72
Cobalt (survey)
#1E488F
ΔE00 3.00
Dusk Blue
#26538D
ΔE00 3.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17497F #7F4D17
analogous
#177D7F #17497F #19177F
triadic
#17497F #7F1749 #497F17
tetradic
#17497F #7F177D #7F4D17 #177F19
square
#17497F #7F177D #7F4D17 #177F19
split-complementary
#17497F #7F1917 #7D7F17
monochromatic
#050F1A #0E2B4B #17497F #2067B3 #3685DB
Accessibility & contrast
On white
9.15
#17497F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#17497F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17497F
9.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17497F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17497F | 1.00 | 9.15 | 2.30 | 9.15 |
| #FFFFFF | 9.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2F4D81
Deuteranopia (green-blind)
#1D447E
Tritanopia (blue-blind)
#00565D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #17497f; /* rgb */ color: rgb(23, 73, 127); /* oklch */ color: oklch(40.2% 0.105 253.4);
Tailwind
colors: {
custom: {
50: '#667ba4',
500: '#17497f',
950: '#000000',
},
}SCSS
$custom: #17497f; $custom-light: #667ba4; $custom-dark: #000000;
JSON
{
"hex": "#17497f",
"rgb": {
"r": 23,
"g": 73,
"b": 127
},
"hsl": {
"h": 211.154,
"s": 69.333,
"l": 29.412
},
"oklch": {
"l": 0.40246,
"c": 0.10501,
"h": 253.4
},
"luminance": 0.0648
}Semantic roles & 50–950 ramp
primary
#17497F
secondary
#B47B3E
accent
#973CEC
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07090F
muted
#7A7B7F