#406973
Closest named color: Slate (#516572). oklch(49.5% 0.049 215), rgb(64, 105, 115).
Aa
White text reads best on this color (6.02:1).
About this color
#406973 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.049 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.022 away. White text reads best on it, at 6.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #406973 |
| RGB | rgb(64, 105, 115) |
| HSL | hsl(192, 28%, 35%) |
| OKLCH | oklch(49.5% 0.049 215) |
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 #406973 | 6.02:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #406973 | 3.48:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #406973 text on white | 6.02:1 | AA | Lc 80.0 | Fine for body text |
| #406973 text on black | 3.48:1 | AA large text | Lc -21.8 | 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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBDE
oklch(88.4% 0.013 215.8)
-
Step 300
300
#B0C5CA
oklch(80.9% 0.024 213.6)
-
Step 400
400
#87A7AF
oklch(70.7% 0.037 214.6)
-
Step 500
500
#68919C
oklch(63.1% 0.048 216.2)
-
Step 600
600
#4E7B86
oklch(55.5% 0.052 214.9)
-
Step 700
700 (this color)
#406973
oklch(49.5% 0.049 215)
-
Step 800
800
#34555D
oklch(42.7% 0.041 214.8)
-
Step 900
900
#2E464C
oklch(37.7% 0.031 215.1)
-
Step 950
950
#1B292C
oklch(27% 0.02 212.4)
#406973 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) | #626674 | 0.045 |
| Deuteranopia (no green cones) | #5A6073 | 0.041 |
| Tritanopia (no blue cones) | #2A6D6C | 0.028 |
| Achromatopsia (no color) | #636363 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406973
#406973
oklch(49.5% 0.049 215)
- #7B584F
#7B584F
oklch(49.5% 0.049 34.9)
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 #406973, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.022
- Dark Aqua #05696B ΔE 0.042
- Deep Turquoise #017374 ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.049
- Deep Aqua #08787F ΔE 0.050
- Denim #3B638C ΔE 0.050
- Metallic Blue #4F738E ΔE 0.052
Use #406973 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.