#163F92
Closest named color: Cobalt (#1E488F). oklch(39.4% 0.145 262.2), rgb(22, 63, 146).
Aa
White text reads best on this color (9.72:1).
About this color
#163F92 is a dark, vivid blue. In OKLCH its lightness is 39%, its chroma 0.145 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.027 away. White text reads best on it, at 9.72:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.16:1 |
| White text | 9.72:1 |
Values
| HEX | #163F92 |
| RGB | rgb(22, 63, 146) |
| HSL | hsl(220, 74%, 33%) |
| OKLCH | oklch(39.4% 0.145 262.2) |
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 #163F92 | 9.72:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #163F92 | 2.16:1 | Fails | Lc 12.0 | Not readable |
| #163F92 text on white | 9.72:1 | AAA | Lc 92.0 | Preferred for body text |
| #163F92 text on black | 2.16:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500
#4382FF
oklch(63.2% 0.197 262.2)
-
Step 600
600
#1462FD
oklch(55.6% 0.241 262.2)
-
Step 700
700
#064FDD
oklch(49.1% 0.225 262.3)
-
Step 800
800
#0A42B2
oklch(42.6% 0.186 262.3)
-
Step 900
900 (this color)
#163F92
oklch(39.4% 0.145 262.2)
-
Step 950
950
#0B2352
oklch(27% 0.091 262)
#163F92 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) | #004A95 | 0.029 |
| Deuteranopia (no green cones) | #003F90 | 0.012 |
| Tritanopia (no blue cones) | #005462 | 0.112 |
| Achromatopsia (no color) | #444444 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #163F92
#163F92
oklch(39.4% 0.145 262.2)
- #5B4100
#5B4100
oklch(39.4% 0.081 82.8)
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 #163F92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.027
- Twilight Blue #0A437A ΔE 0.044
- Sapphire #2138AB ΔE 0.045
- Light Navy #155084 ΔE 0.056
- Blueberry #464196 ΔE 0.059
- Dusk Blue #26538D ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.062
- Deep Sea Blue #015482 ΔE 0.069
Use #163F92 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.