#406463
Closest named color: Slate (#516572). oklch(47.6% 0.041 193.6), rgb(64, 100, 99).
Aa
White text reads best on this color (6.51:1).
About this color
#406463 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.041 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.034 away. White text reads best on it, at 6.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.22:1 |
| White text | 6.51:1 |
Values
| HEX | #406463 |
| RGB | rgb(64, 100, 99) |
| HSL | hsl(178, 22%, 32%) |
| OKLCH | oklch(47.6% 0.041 193.6) |
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 #406463 | 6.51:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #406463 | 3.22:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #406463 text on white | 6.51:1 | AA | Lc 82.3 | Fine for body text |
| #406463 text on black | 3.22:1 | AA large text | Lc -19.6 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B3C5C4
oklch(80.9% 0.02 192.7)
-
Step 400
400
#8AA7A6
oklch(70.6% 0.032 193.9)
-
Step 500
500
#6D9290
oklch(63.2% 0.041 192)
-
Step 600
600
#547C7B
oklch(55.6% 0.045 194)
-
Step 700
700 (this color)
#406463
oklch(47.6% 0.041 193.6)
-
Step 800
800
#385554
oklch(42.6% 0.035 193.2)
-
Step 900
900
#314646
oklch(37.7% 0.026 196.1)
-
Step 950
950
#1D2929
oklch(27% 0.017 196.2)
#406463 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) | #606163 | 0.044 |
| Deuteranopia (no green cones) | #595C63 | 0.040 |
| Tritanopia (no blue cones) | #326664 | 0.015 |
| Achromatopsia (no color) | #5E5E5E | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406463
#406463
oklch(47.6% 0.041 193.6)
- #725355
#725355
oklch(47.6% 0.042 14.5)
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 #406463, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.034
- Dark Aqua #05696B ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.039
- Petrol #005F6A ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.052
- Dim Gray #696969 ΔE 0.061
Use #406463 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.