#682D8D
Closest named color: Rebecca Purple (#663399). oklch(42.6% 0.156 309.6), rgb(104, 45, 141).
Aa
White text reads best on this color (8.94:1).
About this color
#682D8D is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.156 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.023 away. White text reads best on it, at 8.94:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #682D8D |
| RGB | rgb(104, 45, 141) |
| HSL | hsl(277, 52%, 36%) |
| OKLCH | oklch(42.6% 0.156 309.6) |
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 #682D8D | 8.94:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #682D8D | 2.34:1 | Fails | Lc 14.1 | Not readable |
| #682D8D text on white | 8.94:1 | AAA | Lc 89.9 | Fine for body text |
| #682D8D text on black | 2.34:1 | Fails | Lc -12.4 | Not readable |
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 800.
-
Step 50
50
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E3D1F3
oklch(88.6% 0.05 309.1)
-
Step 300
300
#D2B1ED
oklch(80.9% 0.09 309.4)
-
Step 400
400
#BC85E4
oklch(70.7% 0.145 309.8)
-
Step 500
500
#AB62DC
oklch(63% 0.186 309.7)
-
Step 600
600
#9645CA
oklch(55.6% 0.202 309.3)
-
Step 700
700
#8035AF
oklch(49.1% 0.188 309.2)
-
Step 800
800 (this color)
#682D8D
oklch(42.6% 0.156 309.6)
-
Step 900
900
#552A71
oklch(37.7% 0.122 309.7)
-
Step 950
950
#321A42
oklch(27.1% 0.076 310)
#682D8D 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) | #004790 | 0.135 |
| Deuteranopia (no green cones) | #1E4A8B | 0.124 |
| Tritanopia (no blue cones) | #634159 | 0.108 |
| Achromatopsia (no color) | #494949 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #682D8D
#682D8D
oklch(42.6% 0.156 309.6)
- #3A5A00
#3A5A00
oklch(42.6% 0.114 129.5)
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 #682D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.023
- Dark Slate Blue #483D8B ΔE 0.066
- Purple #800080 ΔE 0.068
- Blueberry #464196 ΔE 0.073
- Grape #7209B7 ΔE 0.077
- Dark Magenta #8B008B ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.080
- Warm Purple #952E8F ΔE 0.092
Use #682D8D 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.