#173D6D#173D6D
#173D6D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.094 H 255.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).
Color values
| HEX | #173D6D |
|---|---|
| RGB | rgb(23, 61, 109) |
| HSL | hsl(213, 65%, 26%) |
| HSV | hsv(213, 79%, 43%) |
| CMYK | cmyk(78.9%, 44%, 0%, 57.3%) |
| CIE-LAB | lab(25.63, 5.12, -31.75) |
| CIE-LCH | lch(25.63, 32.16, 279.17°) |
| OKLab | oklab(36.02% -0.023 -0.0908) |
| OKLCH | oklch(36.02% 0.094 255.8) |
| XYZ | xyz(4.7814, 4.6232, 15.1054) |
| Luminance | 0.0462 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 1.98
Twilight Blue
#0A437A
ΔE00 2.82
Darkish Blue
#014182
ΔE00 3.08
Prussian Blue
#004577
ΔE00 4.02
Marine
#042E60
ΔE00 4.76
Cobalt (survey)
#1E488F
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#173D6D #6D4717
analogous
#17686D #173D6D #1C176D
triadic
#173D6D #6D173D #3D6D17
tetradic
#173D6D #6D1768 #6D4717 #176D1C
square
#173D6D #6D1768 #6D4717 #176D1C
split-complementary
#173D6D #6D1C17 #686D17
monochromatic
#050E19 #0C213A #173D6D #2259A0 #2C76D2
Accessibility & contrast
On white
10.91
#173D6D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.92
#173D6D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #173D6D
10.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##173D6D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##173D6D | 1.00 | 10.91 | 1.92 | 10.91 |
| #FFFFFF | 10.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#26416F
Deuteranopia (green-blind)
#17396C
Tritanopia (blue-blind)
#00484F
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #173d6d; /* rgb */ color: rgb(23, 61, 109); /* oklch */ color: oklch(36.0% 0.094 255.8);
Tailwind
colors: {
custom: {
50: '#627297',
500: '#173d6d',
950: '#000000',
},
}SCSS
$custom: #173d6d; $custom-light: #627297; $custom-dark: #000000;
JSON
{
"hex": "#173d6d",
"rgb": {
"r": 23,
"g": 61,
"b": 109
},
"hsl": {
"h": 213.488,
"s": 65.152,
"l": 25.882
},
"oklch": {
"l": 0.36019,
"c": 0.09364,
"h": 255.8
},
"luminance": 0.04624
}Semantic roles & 50–950 ramp
primary
#173D6D
secondary
#A3763D
accent
#9E40E8
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070D
muted
#7A7A7E