#17466E
Closest named color: Twilight Blue (#0A437A). oklch(38.4% 0.085 248), rgb(23, 70, 110).
Aa
White text reads best on this color (9.82:1).
About this color
#17466E is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.085 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.025 away. White text reads best on it, at 9.82:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #17466E |
| RGB | rgb(23, 70, 110) |
| HSL | hsl(208, 65%, 26%) |
| OKLCH | oklch(38.4% 0.085 248) |
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 #17466E | 9.82:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #17466E | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #17466E text on white | 9.82:1 | AAA | Lc 92.5 | Preferred for body text |
| #17466E text on black | 2.13:1 | Fails | Lc -9.9 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A1C5E8
oklch(80.9% 0.063 247.9)
-
Step 400
400
#6BA6DD
oklch(70.7% 0.102 247.8)
-
Step 500
500
#408FD4
oklch(63.2% 0.13 247.9)
-
Step 600
600
#1677C1
oklch(55.5% 0.142 248.2)
-
Step 700
700
#0264A7
oklch(49.1% 0.132 248.1)
-
Step 800
800
#0B5287
oklch(42.7% 0.109 247.8)
-
Step 900
900 (this color)
#17466E
oklch(38.4% 0.085 248)
-
Step 950
950
#0E283F
oklch(26.9% 0.054 248)
#17466E 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) | #344870 | 0.032 |
| Deuteranopia (no green cones) | #27406D | 0.021 |
| Tritanopia (no blue cones) | #005055 | 0.062 |
| Achromatopsia (no color) | #434343 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17466E
#17466E
oklch(38.4% 0.085 248)
- #603900
#603900
oklch(38.3% 0.084 67.9)
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 #17466E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.036
- Light Navy #155084 ΔE 0.044
- Charcoal #264653 ΔE 0.048
- Marine Blue #01386A ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.048
- Cobalt #1E488F ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.060
Use #17466E 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.