#406673
Closest named color: Slate (#516572). oklch(48.7% 0.048 221.6), rgb(64, 102, 115).
Aa
White text reads best on this color (6.23:1).
About this color
#406673 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.048 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.021 away. White text reads best on it, at 6.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #406673 |
| RGB | rgb(64, 102, 115) |
| HSL | hsl(195, 28%, 35%) |
| OKLCH | oklch(48.7% 0.048 221.6) |
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 #406673 | 6.23:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #406673 | 3.36:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #406673 text on white | 6.23:1 | AA | Lc 81.0 | Fine for body text |
| #406673 text on black | 3.36:1 | AA large text | Lc -20.8 | 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
#D0DBDF
oklch(88.4% 0.013 221.4)
-
Step 300
300
#B1C4CB
oklch(80.8% 0.023 221.9)
-
Step 400
400
#88A6B1
oklch(70.6% 0.037 222.1)
-
Step 500
500
#6A909E
oklch(63% 0.047 222.7)
-
Step 600
600
#517A89
oklch(55.5% 0.051 222.9)
-
Step 700
700 (this color)
#406673
oklch(48.7% 0.048 221.6)
-
Step 800
800
#36545F
oklch(42.7% 0.04 223)
-
Step 900
900
#2F464D
oklch(37.8% 0.031 218.7)
-
Step 950
950
#1C292D
oklch(27.1% 0.019 218.7)
#406673 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) | #5E6474 | 0.039 |
| Deuteranopia (no green cones) | #565E73 | 0.035 |
| Tritanopia (no blue cones) | #2A6A6A | 0.031 |
| Achromatopsia (no color) | #616161 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406673
#406673
oklch(48.7% 0.048 221.6)
- #77574A
#77574A
oklch(48.7% 0.047 43.1)
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 #406673, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.021
- YInMn Blue #415A77 ΔE 0.040
- Dark Aqua #05696B ΔE 0.043
- Denim #3B638C ΔE 0.045
- Deep Turquoise #017374 ΔE 0.050
- Dusty Grape #545775 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.052
- Petrol #005F6A ΔE 0.053
Use #406673 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.