#17486C
Closest named color: Dark Grey Blue (#29465B). oklch(38.8% 0.08 244.5), rgb(23, 72, 108).
Aa
White text reads best on this color (9.63:1).
About this color
#17486C is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.080 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.63:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #17486C |
| RGB | rgb(23, 72, 108) |
| HSL | hsl(205, 65%, 26%) |
| OKLCH | oklch(38.8% 0.08 244.5) |
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 #17486C | 9.63:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #17486C | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #17486C text on white | 9.63:1 | AAA | Lc 92.0 | Preferred for body text |
| #17486C text on black | 2.17:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#A0C6E5
oklch(81% 0.06 243.2)
-
Step 400
400
#6BA7D9
oklch(70.7% 0.097 244.9)
-
Step 500
500
#3E90CE
oklch(63.1% 0.123 244.5)
-
Step 600
600
#1079BB
oklch(55.6% 0.133 244.5)
-
Step 700
700
#0066A1
oklch(49.2% 0.123 244.5)
-
Step 800
800
#075383
oklch(42.7% 0.103 244.7)
-
Step 900
900 (this color)
#17486C
oklch(38.8% 0.08 244.5)
-
Step 950
950
#0E293D
oklch(27.1% 0.05 243.6)
#17486C 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) | #37496E | 0.034 |
| Deuteranopia (no green cones) | #2C416B | 0.027 |
| Tritanopia (no blue cones) | #005155 | 0.057 |
| Achromatopsia (no color) | #454545 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17486C
#17486C
oklch(38.8% 0.08 244.5)
- #613A0B
#613A0B
oklch(38.7% 0.08 65)
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 #17486C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.031
- Twilight Blue #0A437A ΔE 0.032
- Charcoal #264653 ΔE 0.043
- Light Navy #155084 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.046
- Marine Blue #01386A ΔE 0.054
- Deep Teal #00555A ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.060
Use #17486C 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.