#686A8F
Closest named color: Metallic Blue (#4F738E). oklch(53.7% 0.058 281.9), rgb(104, 106, 143).
Aa
White text reads best on this color (5.18:1).
About this color
#686A8F is a medium-dark, muted purple. In OKLCH its lightness is 54%, its chroma 0.058 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.040 away. White text reads best on it, at 5.18:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #686A8F |
| RGB | rgb(104, 106, 143) |
| HSL | hsl(237, 16%, 48%) |
| OKLCH | oklch(53.7% 0.058 281.9) |
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 #686A8F | 5.18:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #686A8F | 4.04:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #686A8F text on white | 5.18:1 | AA | Lc 75.7 | Fine for body text |
| #686A8F text on black | 4.04:1 | AA large text | Lc -26.0 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D7D8E3
oklch(88.5% 0.015 281.9)
-
Step 300
300
#BDBFD1
oklch(80.9% 0.025 280.8)
-
Step 400
400
#9C9EBB
oklch(70.7% 0.042 282.1)
-
Step 500
500
#8486A9
oklch(63.1% 0.052 282.2)
-
Step 600
600 (this color)
#686A8F
oklch(53.7% 0.058 281.9)
-
Step 700
700
#5B5D7F
oklch(49% 0.054 281.6)
-
Step 800
800
#4B4C67
oklch(42.7% 0.045 282.7)
-
Step 900
900
#3E4054
oklch(37.8% 0.034 280.2)
-
Step 950
950
#242531
oklch(26.9% 0.022 281.1)
#686A8F 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) | #606E91 | 0.015 |
| Deuteranopia (no green cones) | #5E6C8E | 0.015 |
| Tritanopia (no blue cones) | #5F7177 | 0.051 |
| Achromatopsia (no color) | #6D6D6D | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #686A8F
#686A8F
oklch(53.7% 0.058 281.9)
- #746F47
#746F47
oklch(53.6% 0.058 102)
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 #686A8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.040
- Grey Purple #826D8C ΔE 0.043
- Dull Blue #49759C ΔE 0.047
- Dusty Purple #825F87 ΔE 0.048
- Dark Lavender #856798 ΔE 0.049
- Battleship Gray #6C757D ΔE 0.050
- Muted Purple #805B87 ΔE 0.052
- Stormy Blue #507B9C ΔE 0.053
Use #686A8F 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.