#406375
Closest named color: Slate (#516572). oklch(48% 0.05 231.6), rgb(64, 99, 117).
Aa
White text reads best on this color (6.44:1).
About this color
#406375 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.050 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.023 away. White text reads best on it, at 6.44:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #406375 |
| RGB | rgb(64, 99, 117) |
| HSL | hsl(200, 29%, 35%) |
| OKLCH | oklch(48% 0.05 231.6) |
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 #406375 | 6.44:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #406375 | 3.25:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #406375 text on white | 6.44:1 | AA | Lc 81.9 | Fine for body text |
| #406375 text on black | 3.25:1 | AA large text | Lc -20.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B2C4CE
oklch(81% 0.024 231.9)
-
Step 400
400
#89A5B5
oklch(70.6% 0.039 233.1)
-
Step 500
500
#6B8FA2
oklch(63% 0.049 231.5)
-
Step 600
600
#53798D
oklch(55.5% 0.053 231.9)
-
Step 700
700 (this color)
#406375
oklch(48% 0.05 231.6)
-
Step 800
800
#375362
oklch(42.6% 0.042 232.4)
-
Step 900
900
#304550
oklch(37.7% 0.032 231.5)
-
Step 950
950
#1C282F
oklch(26.9% 0.021 234.2)
#406375 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) | #5A6276 | 0.034 |
| Deuteranopia (no green cones) | #535C75 | 0.031 |
| Tritanopia (no blue cones) | #2A6869 | 0.036 |
| Achromatopsia (no color) | #5E5E5E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406375
#406375
oklch(48% 0.05 231.6)
- #755644
#755644
oklch(48.1% 0.05 51.3)
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 #406375, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.023
- YInMn Blue #415A77 ΔE 0.029
- Denim #3B638C ΔE 0.038
- Dusty Grape #545775 ΔE 0.043
- Dark Aqua #05696B ΔE 0.048
- Petrol #005F6A ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusk #4E5481 ΔE 0.056
Use #406375 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.