#164471
Closest named color: Twilight Blue (#0A437A). oklch(38% 0.091 251.2), rgb(22, 68, 113).
Aa
White text reads best on this color (10.00:1).
About this color
#164471 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.091 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.017 away. White text reads best on it, at 10.00:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #164471 |
| RGB | rgb(22, 68, 113) |
| HSL | hsl(210, 67%, 26%) |
| OKLCH | oklch(38% 0.091 251.2) |
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 #164471 | 10.00:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #164471 | 2.09:1 | Fails | Lc 11.0 | Not readable |
| #164471 text on white | 10.00:1 | AAA | Lc 92.9 | Preferred for body text |
| #164471 text on black | 2.09:1 | Fails | Lc -9.6 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300
#A0C4EC
oklch(80.8% 0.069 251.4)
-
Step 400
400
#6BA5E3
oklch(70.7% 0.11 251.1)
-
Step 500
500
#3F8DDB
oklch(63.1% 0.141 251)
-
Step 600
600
#1775C8
oklch(55.5% 0.152 251.2)
-
Step 700
700
#0462AD
oklch(49.1% 0.141 251.1)
-
Step 800
800
#0C508C
oklch(42.6% 0.117 251.3)
-
Step 900
900 (this color)
#164471
oklch(38% 0.091 251.2)
-
Step 950
950
#0E2842
oklch(27.1% 0.058 250.8)
#164471 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) | #2F4773 | 0.028 |
| Deuteranopia (no green cones) | #213F70 | 0.016 |
| Tritanopia (no blue cones) | #004F55 | 0.068 |
| Achromatopsia (no color) | #424242 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #164471
#164471
oklch(38% 0.091 251.2)
- #5D3A00
#5D3A00
oklch(38.1% 0.082 71.7)
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 #164471, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.017
- Marine Blue #01386A ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.043
- Light Navy #155084 ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.051
- Cobalt #1E488F ΔE 0.052
- Charcoal #264653 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.058
Use #164471 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.