#685B99
Closest named color: Dusky Blue (#475F94). oklch(51.1% 0.097 292.2), rgb(104, 91, 153).
Aa
White text reads best on this color (5.92:1).
About this color
#685B99 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.097 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.049 away. White text reads best on it, at 5.92:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #685B99 |
| RGB | rgb(104, 91, 153) |
| HSL | hsl(253, 25%, 48%) |
| OKLCH | oklch(51.1% 0.097 292.2) |
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 #685B99 | 5.92:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #685B99 | 3.54:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #685B99 text on white | 5.92:1 | AA | Lc 79.5 | Fine for body text |
| #685B99 text on black | 3.54:1 | AA large text | Lc -22.3 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6E9
oklch(88.4% 0.026 293.1)
-
Step 300
300
#C1BCDD
oklch(81% 0.046 292.3)
-
Step 400
400
#A198CC
oklch(70.6% 0.076 292.3)
-
Step 500
500
#8B7EBF
oklch(63% 0.097 292.6)
-
Step 600
600
#7567AB
oklch(55.6% 0.104 292.1)
-
Step 700
700 (this color)
#685B99
oklch(51.1% 0.097 292.2)
-
Step 800
800
#504677
oklch(42.7% 0.08 292)
-
Step 900
900
#423B60
oklch(37.6% 0.063 291.8)
-
Step 950
950
#272338
oklch(27.1% 0.039 292.3)
#685B99 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) | #49659B | 0.049 |
| Deuteranopia (no green cones) | #4A6397 | 0.047 |
| Tritanopia (no blue cones) | #5D6672 | 0.080 |
| Achromatopsia (no color) | #646464 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #685B99
#685B99
oklch(51.1% 0.097 292.2)
- #686C20
#686C20
oklch(51.2% 0.097 112.3)
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 #685B99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.049
- Muted Purple #805B87 ΔE 0.049
- Twilight #4E518B ΔE 0.055
- Dusty Purple #825F87 ΔE 0.056
- Dusk #4E5481 ΔE 0.060
- Dark Lavender #856798 ΔE 0.061
- Dull Purple #84597E ΔE 0.063
- French Blue #436BAD ΔE 0.064
Use #685B99 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.