#682F78
Closest named color: Rebecca Purple (#663399). oklch(41.5% 0.13 318.3), rgb(104, 47, 120).
Aa
White text reads best on this color (9.26:1).
About this color
#682F78 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.130 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.055 away. White text reads best on it, at 9.26:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #682F78 |
| RGB | rgb(104, 47, 120) |
| HSL | hsl(287, 44%, 33%) |
| OKLCH | oklch(41.5% 0.13 318.3) |
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 #682F78 | 9.26:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #682F78 | 2.26:1 | Fails | Lc 13.1 | Not readable |
| #682F78 text on white | 9.26:1 | AAA | Lc 90.9 | Preferred for body text |
| #682F78 text on black | 2.26:1 | Fails | Lc -11.4 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E5D1EB
oklch(88.5% 0.041 318.4)
-
Step 300
300
#D6B2E1
oklch(81% 0.076 318.2)
-
Step 400
400
#C087D1
oklch(70.6% 0.122 318.3)
-
Step 500
500
#B067C5
oklch(63.1% 0.155 318.4)
-
Step 600
600
#9B4CB1
oklch(55.6% 0.168 318.4)
-
Step 700
700
#843C99
oklch(49% 0.158 318)
-
Step 800
800 (this color)
#682F78
oklch(41.5% 0.13 318.3)
-
Step 900
900
#572D64
oklch(37.6% 0.102 317.7)
-
Step 950
950
#331B3A
oklch(26.9% 0.064 318.3)
#682F78 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) | #1D437A | 0.123 |
| Deuteranopia (no green cones) | #324976 | 0.108 |
| Tritanopia (no blue cones) | #683B4F | 0.082 |
| Achromatopsia (no color) | #474747 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #682F78
#682F78
oklch(41.5% 0.13 318.3)
- #205B00
#205B00
oklch(41.6% 0.129 138.3)
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 #682F78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.055
- Purple #800080 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.071
- Rich Purple #720058 ΔE 0.078
- Velvet #750851 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.083
- Blueberry #464196 ΔE 0.084
- Dark Magenta #8B008B ΔE 0.087
Use #682F78 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.