#686A8B
Closest named color: Metallic Blue (#4F738E). oklch(53.5% 0.052 281.8), rgb(104, 106, 139).
Aa
White text reads best on this color (5.21:1).
About this color
#686A8B is a medium-dark, muted purple. In OKLCH its lightness is 54%, its chroma 0.052 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.039 away. White text reads best on it, at 5.21:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #686A8B |
| RGB | rgb(104, 106, 139) |
| HSL | hsl(237, 14%, 48%) |
| OKLCH | oklch(53.5% 0.052 281.8) |
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 #686A8B | 5.21:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #686A8B | 4.02:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #686A8B text on white | 5.21:1 | AA | Lc 75.9 | Fine for body text |
| #686A8B text on black | 4.02:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E2
oklch(88.4% 0.014 281.5)
-
Step 300
300
#BEBFD0
oklch(80.9% 0.024 283.2)
-
Step 400
400
#9C9EB8
oklch(70.6% 0.038 281.9)
-
Step 500
500
#8486A6
oklch(63% 0.048 282.1)
-
Step 600
600 (this color)
#686A8B
oklch(53.5% 0.052 281.8)
-
Step 700
700
#5C5E7C
oklch(49.2% 0.048 281.5)
-
Step 800
800
#4B4D65
oklch(42.8% 0.04 280.9)
-
Step 900
900
#3F4052
oklch(37.8% 0.031 282.3)
-
Step 950
950
#252530
oklch(26.9% 0.02 285)
#686A8B 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) | #616E8C | 0.014 |
| Deuteranopia (no green cones) | #606B8A | 0.012 |
| Tritanopia (no blue cones) | #607075 | 0.046 |
| Achromatopsia (no color) | #6C6C6C | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #686A8B
#686A8B
oklch(53.5% 0.052 281.8)
- #736F4B
#736F4B
oklch(53.6% 0.053 102.6)
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 #686A8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.039
- Grey Purple #826D8C ΔE 0.043
- Battleship Gray #6C757D ΔE 0.045
- Dusty Purple #825F87 ΔE 0.048
- Dull Blue #49759C ΔE 0.048
- Purple Grey #866F85 ΔE 0.052
- Dark Lavender #856798 ΔE 0.052
- Muted Purple #805B87 ΔE 0.053
Use #686A8B 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.