#17478A#17478A
#17478A is a dark, vivid cyan. Relative luminance 0.065; OKLCH L 40.6% C 0.123 H 257.8°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).
Color values
| HEX | #17478A |
|---|---|
| RGB | rgb(23, 71, 138) |
| HSL | hsl(215, 71%, 32%) |
| HSV | hsv(215, 83%, 54%) |
| CMYK | cmyk(83.3%, 48.6%, 0%, 45.9%) |
| CIE-LAB | lab(30.69, 10.22, -41.83) |
| CIE-LCH | lch(30.69, 43.06, 283.72°) |
| OKLab | oklab(40.56% -0.0259 -0.1202) |
| OKLCH | oklch(40.56% 0.123 257.8) |
| XYZ | xyz(7.1923, 6.5227, 24.9198) |
| Luminance | 0.0652 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.11
Darkish Blue
#014182
ΔE00 2.24
Twilight Blue
#0A437A
ΔE00 2.70
Prussian Blue
#004577
ΔE00 3.83
Dusk Blue
#26538D
ΔE00 3.91
Light Navy
#155084
ΔE00 4.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17478A #8A5A17
analogous
#17818A #17478A #21178A
triadic
#17478A #8A1747 #478A17
tetradic
#17478A #8A1781 #8A5A17 #178A21
square
#17478A #8A1781 #8A5A17 #178A21
split-complementary
#17478A #8A2117 #818A17
monochromatic
#061121 #0E2C56 #17478A #2062BE #3D80DF
Accessibility & contrast
On white
9.11
#17478A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#17478A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17478A
9.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17478A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17478A | 1.00 | 9.11 | 2.30 | 9.11 |
| #FFFFFF | 9.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#214E8D
Deuteranopia (green-blind)
#004389
Tritanopia (blue-blind)
#005762
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #17478a; /* rgb */ color: rgb(23, 71, 138); /* oklch */ color: oklch(40.6% 0.123 257.8);
Tailwind
colors: {
custom: {
50: '#6979ad',
500: '#17478a',
950: '#000000',
},
}SCSS
$custom: #17478a; $custom-light: #6979ad; $custom-dark: #000000;
JSON
{
"hex": "#17478a",
"rgb": {
"r": 23,
"g": 71,
"b": 138
},
"hsl": {
"h": 214.957,
"s": 71.429,
"l": 31.569
},
"oklch": {
"l": 0.40561,
"c": 0.12298,
"h": 257.8
},
"luminance": 0.06524
}Semantic roles & 50–950 ramp
primary
#17478A
secondary
#BE893F
accent
#A33AEE
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F