#17416A
Closest named color: Twilight Blue (#0A437A). oklch(36.8% 0.085 250.8), rgb(23, 65, 106).
Aa
White text reads best on this color (10.49:1).
About this color
#17416A is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.085 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.027 away. White text reads best on it, at 10.49:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #17416A |
| RGB | rgb(23, 65, 106) |
| HSL | hsl(210, 64%, 25%) |
| OKLCH | oklch(36.8% 0.085 250.8) |
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 #17416A | 10.49:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #17416A | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #17416A text on white | 10.49:1 | AAA | Lc 94.1 | Preferred for body text |
| #17416A text on black | 2.00:1 | Fails | Lc -8.5 | 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
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A3C4E9
oklch(80.9% 0.064 251.5)
-
Step 400
400
#6FA5DE
oklch(70.7% 0.102 250.7)
-
Step 500
500
#468DD5
oklch(63.1% 0.13 250.9)
-
Step 600
600
#2476C2
oklch(55.6% 0.141 250.8)
-
Step 700
700
#1563A8
oklch(49.2% 0.131 250.8)
-
Step 800
800
#155188
oklch(42.8% 0.109 250.7)
-
Step 900
900 (this color)
#17416A
oklch(36.8% 0.085 250.8)
-
Step 950
950
#102840
oklch(27.1% 0.054 250.5)
#17416A 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) | #2E436C | 0.026 |
| Deuteranopia (no green cones) | #223C69 | 0.017 |
| Tritanopia (no blue cones) | #004B50 | 0.064 |
| Achromatopsia (no color) | #3F3F3F | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17416A
#17416A
oklch(36.8% 0.085 250.8)
- #593700
#593700
oklch(36.9% 0.079 71.3)
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 #17416A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.027
- Marine Blue #01386A ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.045
- Charcoal #264653 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.050
- Midnight Green #073B4C ΔE 0.056
- Light Navy #155084 ΔE 0.058
Use #17416A 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.