#171E2E#171E2E
#171E2E is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.6% C 0.033 H 265.8°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).
Color values
| HEX | #171E2E |
|---|---|
| RGB | rgb(23, 30, 46) |
| HSL | hsl(222, 33%, 14%) |
| HSV | hsv(222, 50%, 18%) |
| CMYK | cmyk(50%, 34.8%, 0%, 82%) |
| CIE-LAB | lab(11.33, 2.09, -11.68) |
| CIE-LCH | lch(11.33, 11.87, 280.16°) |
| OKLab | oklab(23.63% -0.0024 -0.0326) |
| OKLCH | oklch(23.63% 0.033 265.8) |
| XYZ | xyz(1.3106, 1.3079, 2.7676) |
| Luminance | 0.0131 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark
#1B2431
ΔE00 3.22
Navy Blue
#1B2A4A
ΔE00 7.15
Navy (survey)
#01153E
ΔE00 9.54
Gunmetal
#2A3439
ΔE00 10.47
Dark Navy Blue
#00022E
ΔE00 10.73
Midnight
#03012D
ΔE00 10.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#171E2E #2E2717
analogous
#17292E #171E2E #1B172E
triadic
#171E2E #2E171E #1E2E17
tetradic
#171E2E #2E1729 #2E2717 #172E1B
square
#171E2E #2E1729 #2E2717 #172E1B
split-complementary
#171E2E #2E1B17 #292E17
monochromatic
#0A0D14 #0A0D14 #171E2E #2B3957 #405380
Accessibility & contrast
On white
16.65
#171E2E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#171E2E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #171E2E
16.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##171E2E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##171E2E | 1.00 | 16.65 | 1.26 | 16.65 |
| #FFFFFF | 16.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#181F2F
Deuteranopia (green-blind)
#161D2E
Tritanopia (blue-blind)
#0F2124
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #171e2e; /* rgb */ color: rgb(23, 30, 46); /* oklch */ color: oklch(23.6% 0.033 265.8);
Tailwind
colors: {
custom: {
50: '#555966',
500: '#171e2e',
950: '#000000',
},
}SCSS
$custom: #171e2e; $custom-light: #555966; $custom-dark: #000000;
JSON
{
"hex": "#171e2e",
"rgb": {
"r": 23,
"g": 30,
"b": 46
},
"hsl": {
"h": 221.739,
"s": 33.333,
"l": 13.529
},
"oklch": {
"l": 0.23629,
"c": 0.03269,
"h": 265.8
},
"luminance": 0.01308
}Semantic roles & 50–950 ramp
primary
#171E2E
secondary
#63583E
accent
#A95EC9
background
#F5F5F6
surface
#E8E9EB
border
#C4C5C6
text
#030306
muted
#78787A