#06173F
Closest named color: Navy Blue (#001146). oklch(22% 0.08 263.4), rgb(6, 23, 63).
Aa
White text reads best on this color (17.46:1).
About this color
#06173F is a very dark, moderately saturated blue. In OKLCH its lightness is 22%, its chroma 0.080 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.024 away. White text reads best on it, at 17.46:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.20:1 |
| White text | 17.46:1 |
Values
| HEX | #06173F |
| RGB | rgb(6, 23, 63) |
| HSL | hsl(222, 83%, 14%) |
| OKLCH | oklch(22% 0.08 263.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #06173F | 17.46:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #06173F | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #06173F text on white | 17.46:1 | AAA | Lc 104.0 | Preferred for body text |
| #06173F text on black | 1.20:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFD
oklch(88.5% 0.053 262.7)
-
Step 300
300
#A1C1FF
oklch(81% 0.095 263.3)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500
#4881FD
oklch(63.1% 0.195 263.3)
-
Step 600
600
#2C67EC
oklch(55.7% 0.21 263.2)
-
Step 700
700
#2054CD
oklch(49% 0.196 263.3)
-
Step 800
800
#1C46A6
oklch(42.8% 0.162 263.3)
-
Step 900
900
#1C3C84
oklch(37.7% 0.127 263.5)
-
Step 950
950 (this color)
#06173F
oklch(22% 0.08 263.4)
#06173F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #001C40 | 0.016 |
| Deuteranopia (no green cones) | #00173E | 0.008 |
| Tritanopia (no blue cones) | #002128 | 0.062 |
| Achromatopsia (no color) | #1A1A1A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06173F
#06173F
oklch(22% 0.08 263.4)
- #251800
#251800
oklch(22% 0.045 81.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #06173F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.024
- Rich Black #0D1B2A ΔE 0.046
- Night Blue #040348 ΔE 0.050
- Dark Indigo #1F0954 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.062
- Dark Navy #000435 ΔE 0.062
- Dark #1B2431 ΔE 0.065
- Darkblue #030764 ΔE 0.073
Use #06173F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.