#682C91
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.161 308.2), rgb(104, 44, 145).
Aa
White text reads best on this color (8.90:1).
About this color
#682C91 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.161 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.019 away. White text reads best on it, at 8.90:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #682C91 |
| RGB | rgb(104, 44, 145) |
| HSL | hsl(276, 53%, 37%) |
| OKLCH | oklch(42.8% 0.161 308.2) |
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 #682C91 | 8.90:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #682C91 | 2.35:1 | Fails | Lc 14.2 | Not readable |
| #682C91 text on white | 8.90:1 | AAA | Lc 89.7 | Fine for body text |
| #682C91 text on black | 2.35:1 | Fails | Lc -12.5 | 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
#E3D0F4
oklch(88.4% 0.053 309)
-
Step 300
300
#D2B0F0
oklch(80.9% 0.095 308.5)
-
Step 400
400
#BB84E8
oklch(70.6% 0.151 308.3)
-
Step 500
500
#AA61E1
oklch(63.1% 0.193 308.1)
-
Step 600
600
#9643CF
oklch(55.7% 0.21 308.2)
-
Step 700
700
#8033B3
oklch(49.2% 0.195 308.3)
-
Step 800
800 (this color)
#682C91
oklch(42.8% 0.161 308.2)
-
Step 900
900
#542974
oklch(37.7% 0.127 307.8)
-
Step 950
950
#311944
oklch(27% 0.08 307.6)
#682C91 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) | #004794 | 0.135 |
| Deuteranopia (no green cones) | #164A8F | 0.129 |
| Tritanopia (no blue cones) | #62425B | 0.113 |
| Achromatopsia (no color) | #4A4A4A | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #682C91
#682C91
oklch(42.8% 0.161 308.2)
- #3D5A00
#3D5A00
oklch(42.8% 0.112 128.1)
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 #682C91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.019
- Dark Slate Blue #483D8B ΔE 0.067
- Purple #800080 ΔE 0.070
- Grape #7209B7 ΔE 0.071
- Blueberry #464196 ΔE 0.073
- Chrysanthemum #560BAD ΔE 0.075
- Dark Magenta #8B008B ΔE 0.080
- Imperial Purple #480CA8 ΔE 0.092
Use #682C91 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.