#405163
Closest named color: YInMn Blue (#415A77). oklch(42.8% 0.037 250.2), rgb(64, 81, 99).
Aa
White text reads best on this color (8.15:1).
About this color
#405163 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.037 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.038 away. White text reads best on it, at 8.15:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #405163 |
| RGB | rgb(64, 81, 99) |
| HSL | hsl(211, 21%, 32%) |
| OKLCH | oklch(42.8% 0.037 250.2) |
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 #405163 | 8.15:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #405163 | 2.57:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #405163 text on white | 8.15:1 | AAA | Lc 88.2 | Fine for body text |
| #405163 text on black | 2.57:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE1
oklch(88.5% 0.012 248)
-
Step 300
300
#B7C2CE
oklch(80.9% 0.021 250.4)
-
Step 400
400
#91A3B6
oklch(70.8% 0.034 249.7)
-
Step 500
500
#768CA4
oklch(63.1% 0.044 250.8)
-
Step 600
600
#5E768F
oklch(55.6% 0.048 249.7)
-
Step 700
700
#4E6379
oklch(49.1% 0.044 249.9)
-
Step 800
800 (this color)
#405163
oklch(42.8% 0.037 250.2)
-
Step 900
900
#364351
oklch(37.7% 0.029 250.5)
-
Step 950
950
#20272F
oklch(26.9% 0.018 251.9)
#405163 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) | #4A5164 | 0.015 |
| Deuteranopia (no green cones) | #464E63 | 0.012 |
| Tritanopia (no blue cones) | #355557 | 0.031 |
| Achromatopsia (no color) | #4F4F4F | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405163
#405163
oklch(42.8% 0.037 250.2)
- #5C4C39
#5C4C39
oklch(42.8% 0.037 71.4)
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 #405163, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.042
- Dusty Grape #545775 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.049
- Dusk #4E5481 ΔE 0.055
- Charcoal #264653 ΔE 0.056
- Deep Teal #00555A ΔE 0.056
- Petrol #005F6A ΔE 0.057
Use #405163 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.