#685DAA
Closest named color: Iris (#6258C4). oklch(52.4% 0.119 288.2), rgb(104, 93, 170).
Aa
White text reads best on this color (5.62:1).
About this color
#685DAA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.119 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.046 away. White text reads best on it, at 5.62:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #685DAA |
| RGB | rgb(104, 93, 170) |
| HSL | hsl(249, 31%, 52%) |
| OKLCH | oklch(52.4% 0.119 288.2) |
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 #685DAA | 5.62:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #685DAA | 3.73:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #685DAA text on white | 5.62:1 | AA | Lc 78.0 | Fine for body text |
| #685DAA text on black | 3.73:1 | AA large text | Lc -23.8 | 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
#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
#BEBCE2
oklch(80.9% 0.053 287.6)
-
Step 400
400
#9E98D3
oklch(70.7% 0.086 288.7)
-
Step 500
500
#877EC8
oklch(63.1% 0.11 288.4)
-
Step 600
600 (this color)
#685DAA
oklch(52.4% 0.119 288.2)
-
Step 700
700
#5F559B
oklch(49.2% 0.11 288.2)
-
Step 800
800
#4D467E
oklch(42.8% 0.091 287.6)
-
Step 900
900
#403B65
oklch(37.7% 0.071 288)
-
Step 950
950
#25233B
oklch(27% 0.044 286.9)
#685DAA 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) | #4269AD | 0.056 |
| Deuteranopia (no green cones) | #4165A8 | 0.055 |
| Tritanopia (no blue cones) | #566C7B | 0.100 |
| Achromatopsia (no color) | #676767 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #685DAA
#685DAA
oklch(52.4% 0.119 288.2)
- #716E00
#716E00
oklch(52.4% 0.113 107.8)
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 #685DAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.056
- French Blue #436BAD ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.061
- Deep Lavender #8D5EB7 ΔE 0.065
- Dark Lavender #856798 ΔE 0.066
Use #685DAA 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.