#17488C#17488C
#17488C is a dark, vivid cyan. Relative luminance 0.067; OKLCH L 40.9% C 0.125 H 257.8°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).
Color values
| HEX | #17488C |
|---|---|
| RGB | rgb(23, 72, 140) |
| HSL | hsl(215, 72%, 32%) |
| HSV | hsv(215, 84%, 55%) |
| CMYK | cmyk(83.6%, 48.6%, 0%, 45.1%) |
| CIE-LAB | lab(31.14, 10.35, -42.35) |
| CIE-LCH | lch(31.14, 43.60, 283.74°) |
| OKLab | oklab(40.95% -0.0264 -0.1217) |
| OKLCH | oklch(40.95% 0.125 257.8) |
| XYZ | xyz(7.4026, 6.7094, 25.7108) |
| Luminance | 0.0671 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.01
Darkish Blue
#014182
ΔE00 2.57
Twilight Blue
#0A437A
ΔE00 2.97
Dusk Blue
#26538D
ΔE00 3.60
Light Navy
#155084
ΔE00 3.93
Prussian Blue
#004577
ΔE00 3.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17488C #8C5B17
analogous
#17838C #17488C #21178C
triadic
#17488C #8C1748 #488C17
tetradic
#17488C #8C1783 #8C5B17 #178C21
square
#17488C #8C1783 #8C5B17 #178C21
split-complementary
#17488C #8C2117 #838C17
monochromatic
#061223 #0E2D57 #17488C #2063C1 #3E82DF
Accessibility & contrast
On white
8.97
#17488C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#17488C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17488C
8.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17488C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17488C | 1.00 | 8.97 | 2.34 | 8.97 |
| #FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#224F8F
Deuteranopia (green-blind)
#00448B
Tritanopia (blue-blind)
#005863
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #17488c; /* rgb */ color: rgb(23, 72, 140); /* oklch */ color: oklch(40.9% 0.125 257.8);
Tailwind
colors: {
custom: {
50: '#697aae',
500: '#17488c',
950: '#000000',
},
}SCSS
$custom: #17488c; $custom-light: #697aae; $custom-dark: #000000;
JSON
{
"hex": "#17488c",
"rgb": {
"r": 23,
"g": 72,
"b": 140
},
"hsl": {
"h": 214.872,
"s": 71.779,
"l": 31.961
},
"oklch": {
"l": 0.40945,
"c": 0.12455,
"h": 257.8
},
"luminance": 0.0671
}Semantic roles & 50–950 ramp
primary
#17488C
secondary
#BF8A3F
accent
#A339EF
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F