#17304A#17304A
#17304A is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.3% C 0.057 H 251.0°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).
Color values
| HEX | #17304A |
|---|---|
| RGB | rgb(23, 48, 74) |
| HSL | hsl(211, 53%, 19%) |
| HSV | hsv(211, 69%, 29%) |
| CMYK | cmyk(68.9%, 35.1%, 0%, 71%) |
| CIE-LAB | lab(19.18, -0.12, -18.99) |
| CIE-LCH | lch(19.18, 18.99, 269.65°) |
| OKLab | oklab(30.29% -0.0184 -0.0536) |
| OKLCH | oklch(30.29% 0.057 251) |
| XYZ | xyz(2.6459, 2.7902, 6.8764) |
| Luminance | 0.0279 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 5.03
Marine
#042E60
ΔE00 5.29
Marine Blue
#01386A
ΔE00 5.94
Dark Blue Grey
#1F3B4D
ΔE00 6.17
Dark
#1B2431
ΔE00 6.63
Dark Grey Blue
#29465B
ΔE00 8.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17304A #4A3117
analogous
#174A4A #17304A #18174A
triadic
#17304A #4A1730 #304A17
tetradic
#17304A #4A174A #4A3117 #174A18
square
#17304A #4A174A #4A3117 #174A18
split-complementary
#17304A #4A1817 #4A4A17
monochromatic
#070F17 #08121B #17304A #264E79 #346DA7
Accessibility & contrast
On white
13.48
#17304A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.56
#17304A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17304A
13.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17304A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17304A | 1.00 | 13.48 | 1.56 | 13.48 |
| #FFFFFF | 13.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#25314B
Deuteranopia (green-blind)
#1E2C49
Tritanopia (blue-blind)
#003639
Achromatopsia (no color)
#2F2F2F
Design tokens & code
CSS
--color: #17304a; /* rgb */ color: rgb(23, 48, 74); /* oklch */ color: oklch(30.3% 0.057 251.0);
Tailwind
colors: {
custom: {
50: '#5a687c',
500: '#17304a',
950: '#000000',
},
}SCSS
$custom: #17304a; $custom-light: #5a687c; $custom-dark: #000000;
JSON
{
"hex": "#17304a",
"rgb": {
"r": 23,
"g": 48,
"b": 74
},
"hsl": {
"h": 210.588,
"s": 52.577,
"l": 19.02
},
"oklch": {
"l": 0.30288,
"c": 0.0567,
"h": 251
},
"luminance": 0.0279
}Semantic roles & 50–950 ramp
primary
#17304A
secondary
#815F3C
accent
#954CDC
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#040609
muted
#797A7B