#171A6C#171A6C
#171A6C is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.138 H 271.9°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).
Color values
| HEX | #171A6C |
|---|---|
| RGB | rgb(23, 26, 108) |
| HSL | hsl(238, 65%, 26%) |
| HSV | hsv(238, 79%, 42%) |
| CMYK | cmyk(78.7%, 75.9%, 0%, 57.6%) |
| CIE-LAB | lab(15.50, 29.41, -47.56) |
| CIE-LCH | lch(15.50, 55.92, 301.74°) |
| OKLab | oklab(28.39% 0.0046 -0.1376) |
| OKLCH | oklch(28.39% 0.138 271.9) |
| XYZ | xyz(3.4286, 2.0033, 14.3904) |
| Luminance | 0.0200 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 0.89
Darkblue (survey)
#030764
ΔE00 4.46
Dark Royal Blue
#02066F
ΔE00 4.64
Deep Blue
#040273
ΔE00 5.43
Dark Blue
#00035B
ΔE00 5.73
Dark Indigo
#1F0954
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#171A6C #6C6917
analogous
#17446C #171A6C #3E176C
triadic
#171A6C #6C171A #1A6C17
tetradic
#171A6C #6C1744 #6C6917 #176C3E
square
#171A6C #6C1744 #6C6917 #176C3E
split-complementary
#171A6C #6C3E17 #446C17
monochromatic
#050619 #0C0E3A #171A6C #22269E #2C32D1
Accessibility & contrast
On white
14.99
#171A6C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.40
#171A6C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #171A6C
14.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##171A6C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##171A6C | 1.00 | 14.99 | 1.40 | 14.99 |
| #FFFFFF | 14.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002B6E
Deuteranopia (green-blind)
#00236B
Tritanopia (blue-blind)
#003141
Achromatopsia (no color)
#272727
Design tokens & code
CSS
--color: #171a6c; /* rgb */ color: rgb(23, 26, 108); /* oklch */ color: oklch(28.4% 0.138 271.9);
Tailwind
colors: {
custom: {
50: '#645797',
500: '#171a6c',
950: '#000000',
},
}SCSS
$custom: #171a6c; $custom-light: #645797; $custom-dark: #000000;
JSON
{
"hex": "#171a6c",
"rgb": {
"r": 23,
"g": 26,
"b": 108
},
"hsl": {
"h": 237.882,
"s": 64.885,
"l": 25.686
},
"oklch": {
"l": 0.28392,
"c": 0.13772,
"h": 271.9
},
"luminance": 0.02004
}Semantic roles & 50–950 ramp
primary
#171A6C
secondary
#A29E3D
accent
#E240E8
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#06030E
muted
#7A787E