#685EA4
Closest named color: Dusky Blue (#475F94). oklch(52.3% 0.108 288.6), rgb(104, 94, 164).
Aa
White text reads best on this color (5.63:1).
About this color
#685EA4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.108 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.055 away. White text reads best on it, at 5.63:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #685EA4 |
| RGB | rgb(104, 94, 164) |
| HSL | hsl(249, 28%, 51%) |
| OKLCH | oklch(52.3% 0.108 288.6) |
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 #685EA4 | 5.63:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #685EA4 | 3.72:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #685EA4 text on white | 5.63:1 | AA | Lc 78.1 | Fine for body text |
| #685EA4 text on black | 3.72:1 | AA large text | Lc -23.7 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6EC
oklch(88.4% 0.03 289.9)
-
Step 300
300
#BFBCE1
oklch(81% 0.052 288.9)
-
Step 400
400
#9E98D2
oklch(70.6% 0.084 288.8)
-
Step 500
500
#877EC6
oklch(63% 0.107 288.7)
-
Step 600
600
#7166B3
oklch(55.5% 0.117 288.5)
-
Step 700
700 (this color)
#685EA4
oklch(52.3% 0.108 288.6)
-
Step 800
800
#4E467D
oklch(42.8% 0.089 288.7)
-
Step 900
900
#403B64
oklch(37.7% 0.069 288.2)
-
Step 950
950
#26233B
oklch(27.1% 0.044 288.8)
#685EA4 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) | #4769A7 | 0.050 |
| Deuteranopia (no green cones) | #4766A2 | 0.049 |
| Tritanopia (no blue cones) | #596B79 | 0.090 |
| Achromatopsia (no color) | #676767 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #685EA4
#685EA4
oklch(52.3% 0.108 288.6)
- #706E0E
#706E0E
oklch(52.3% 0.108 108.3)
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 #685EA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.055
- French Blue #436BAD ΔE 0.056
- Iris #6258C4 ΔE 0.056
- Muted Purple #805B87 ΔE 0.059
- Dark Lavender #856798 ΔE 0.061
- Dusty Purple #825F87 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.067
- Twilight #4E518B ΔE 0.067
Use #685EA4 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.