#17488D#17488D
#17488D is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.0% C 0.126 H 258.0°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).
Color values
| HEX | #17488D |
|---|---|
| RGB | rgb(23, 72, 141) |
| HSL | hsl(215, 72%, 32%) |
| HSV | hsv(215, 84%, 55%) |
| CMYK | cmyk(83.7%, 48.9%, 0%, 44.7%) |
| CIE-LAB | lab(31.21, 10.77, -42.85) |
| CIE-LCH | lch(31.21, 44.18, 284.10°) |
| OKLab | oklab(41.02% -0.0262 -0.1232) |
| OKLCH | oklch(41.02% 0.126 258) |
| XYZ | xyz(7.4767, 6.7391, 26.1009) |
| Luminance | 0.0674 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.90
Darkish Blue
#014182
ΔE00 2.64
Twilight Blue
#0A437A
ΔE00 3.09
Dusk Blue
#26538D
ΔE00 3.62
Light Navy
#155084
ΔE00 4.01
Cobalt
#0047AB
ΔE00 4.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17488D #8D5C17
analogous
#17838D #17488D #21178D
triadic
#17488D #8D1748 #488D17
tetradic
#17488D #8D1783 #8D5C17 #178D21
square
#17488D #8D1783 #8D5C17 #178D21
split-complementary
#17488D #8D2117 #838D17
monochromatic
#061224 #0E2D58 #17488D #2063C2 #3F82E0
Accessibility & contrast
On white
8.94
#17488D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#17488D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17488D
8.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17488D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17488D | 1.00 | 8.94 | 2.35 | 8.94 |
| #FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#214F90
Deuteranopia (green-blind)
#00448C
Tritanopia (blue-blind)
#005963
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #17488d; /* rgb */ color: rgb(23, 72, 141); /* oklch */ color: oklch(41.0% 0.126 258.0);
Tailwind
colors: {
custom: {
50: '#697aaf',
500: '#17488d',
950: '#000000',
},
}SCSS
$custom: #17488d; $custom-light: #697aaf; $custom-dark: #000000;
JSON
{
"hex": "#17488d",
"rgb": {
"r": 23,
"g": 72,
"b": 141
},
"hsl": {
"h": 215.085,
"s": 71.951,
"l": 32.157
},
"oklch": {
"l": 0.41021,
"c": 0.12595,
"h": 258
},
"luminance": 0.0674
}Semantic roles & 50–950 ramp
primary
#17488D
secondary
#C08B40
accent
#A339EF
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F