#17368C#17368C
#17368C is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.148 H 264.8°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).
Color values
| HEX | #17368C |
|---|---|
| RGB | rgb(23, 54, 140) |
| HSL | hsl(224, 72%, 32%) |
| HSV | hsv(224, 84%, 55%) |
| CMYK | cmyk(83.6%, 61.4%, 0%, 45.1%) |
| CIE-LAB | lab(25.90, 22.85, -50.84) |
| CIE-LCH | lch(25.90, 55.74, 294.20°) |
| OKLab | oklab(36.97% -0.0134 -0.147) |
| OKLCH | oklch(36.97% 0.148 264.8) |
| XYZ | xyz(6.4045, 4.7132, 25.3780) |
| Luminance | 0.0471 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.86
Darkish Blue
#014182
ΔE00 5.82
Cobalt (survey)
#1E488F
ΔE00 6.12
Cobalt
#0047AB
ΔE00 6.55
Marine Blue
#01386A
ΔE00 6.61
Blueberry
#464196
ΔE00 6.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17368C #8C6D17
analogous
#17708C #17368C #33178C
triadic
#17368C #8C1736 #368C17
tetradic
#17368C #8C1770 #8C6D17 #178C33
square
#17368C #8C1770 #8C6D17 #178C33
split-complementary
#17368C #8C3317 #708C17
monochromatic
#060D23 #0E2257 #17368C #204AC1 #3E69DF
Accessibility & contrast
On white
10.81
#17368C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#17368C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17368C
10.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17368C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17368C | 1.00 | 10.81 | 1.94 | 10.81 |
| #FFFFFF | 10.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00438F
Deuteranopia (green-blind)
#00388A
Tritanopia (blue-blind)
#004C5B
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #17368c; /* rgb */ color: rgb(23, 54, 140); /* oklch */ color: oklch(37.0% 0.148 264.8);
Tailwind
colors: {
custom: {
50: '#6a6cae',
500: '#17368c',
950: '#000000',
},
}SCSS
$custom: #17368c; $custom-light: #6a6cae; $custom-dark: #000000;
JSON
{
"hex": "#17368c",
"rgb": {
"r": 23,
"g": 54,
"b": 140
},
"hsl": {
"h": 224.103,
"s": 71.779,
"l": 31.961
},
"oklch": {
"l": 0.3697,
"c": 0.14764,
"h": 264.8
},
"luminance": 0.04714
}Semantic roles & 50–950 ramp
primary
#17368C
secondary
#BF9D3F
accent
#BE39EF
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#080710
muted
#7A7A7F