#164774
Closest named color: Twilight Blue (#0A437A). oklch(39% 0.092 250), rgb(22, 71, 116).
Aa
White text reads best on this color (9.59:1).
About this color
#164774 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.092 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.019 away. White text reads best on it, at 9.59:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.18:1 |
| White text | 9.59:1 |
Values
| HEX | #164774 |
| RGB | rgb(22, 71, 116) |
| HSL | hsl(209, 68%, 27%) |
| OKLCH | oklch(39% 0.092 250) |
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 #164774 | 9.59:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #164774 | 2.18:1 | Fails | Lc 12.1 | Not readable |
| #164774 text on white | 9.59:1 | AAA | Lc 91.9 | Preferred for body text |
| #164774 text on black | 2.18:1 | Fails | Lc -10.5 | 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
#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
#9FC5EC
oklch(80.9% 0.069 249.4)
-
Step 400
400
#69A5E3
oklch(70.6% 0.111 250.4)
-
Step 500
500
#3B8DDB
oklch(63% 0.142 250.2)
-
Step 600
600
#0A76C9
oklch(55.7% 0.154 250)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#04518C
oklch(42.7% 0.118 249.7)
-
Step 900
900 (this color)
#164774
oklch(39% 0.092 250)
-
Step 950
950
#0D2842
oklch(27.1% 0.059 250.2)
#164774 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) | #324A76 | 0.030 |
| Deuteranopia (no green cones) | #244173 | 0.020 |
| Tritanopia (no blue cones) | #005258 | 0.068 |
| Achromatopsia (no color) | #454545 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #164774
#164774
oklch(39% 0.092 250)
- #613B00
#613B00
oklch(38.9% 0.084 69.6)
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 #164774, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.019
- Light Navy #155084 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.044
- Cobalt #1E488F ΔE 0.046
- Marine Blue #01386A ΔE 0.051
- Dusk Blue #26538D ΔE 0.055
- Charcoal #264653 ΔE 0.057
Use #164774 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.