#406763
Closest named color: Slate (#516572). oklch(48.3% 0.045 187.6), rgb(64, 103, 99).
Aa
White text reads best on this color (6.29:1).
About this color
#406763 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.045 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.036 away. White text reads best on it, at 6.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #406763 |
| RGB | rgb(64, 103, 99) |
| HSL | hsl(174, 23%, 33%) |
| OKLCH | oklch(48.3% 0.045 187.6) |
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 #406763 | 6.29:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #406763 | 3.33:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #406763 text on white | 6.29:1 | AA | Lc 81.3 | Fine for body text |
| #406763 text on black | 3.33:1 | AA large text | Lc -20.6 | 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
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300
#B2C5C3
oklch(80.8% 0.021 189.1)
-
Step 400
400
#89A8A4
oklch(70.7% 0.035 186.8)
-
Step 500
500
#6B938E
oklch(63.2% 0.045 186.5)
-
Step 600
600
#527D78
oklch(55.7% 0.048 186.7)
-
Step 700
700 (this color)
#406763
oklch(48.3% 0.045 187.6)
-
Step 800
800
#375653
oklch(42.8% 0.037 188.2)
-
Step 900
900
#304744
oklch(37.8% 0.029 185.9)
-
Step 950
950
#1C2928
oklch(26.9% 0.018 190.2)
#406763 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) | #636363 | 0.048 |
| Deuteranopia (no green cones) | #5C5E64 | 0.045 |
| Tritanopia (no blue cones) | #326966 | 0.014 |
| Achromatopsia (no color) | #606060 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406763
#406763
oklch(48.3% 0.045 187.6)
- #75545A
#75545A
oklch(48.3% 0.045 6.8)
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 #406763, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.036
- Dark Aqua #05696B ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.046
- Petrol #005F6A ΔE 0.055
- Dim Gray #696969 ΔE 0.058
- Deep Aqua #08787F ΔE 0.060
Use #406763 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.