#684379
Closest named color: Twilight (#4E518B). oklch(44.8% 0.095 314.5), rgb(104, 67, 121).
Aa
White text reads best on this color (7.87:1).
About this color
#684379 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.095 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.058 away. White text reads best on it, at 7.87:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #684379 |
| RGB | rgb(104, 67, 121) |
| HSL | hsl(281, 29%, 37%) |
| OKLCH | oklch(44.8% 0.095 314.5) |
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 #684379 | 7.87:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #684379 | 2.66:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #684379 text on white | 7.87:1 | AAA | Lc 87.2 | Fine for body text |
| #684379 text on black | 2.66:1 | Fails | Lc -15.0 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E1D3E8
oklch(88.4% 0.032 314.7)
-
Step 300
300
#CEB6DA
oklch(80.8% 0.056 314.5)
-
Step 400
400
#B590C7
oklch(70.7% 0.088 314.5)
-
Step 500
500
#A373B9
oklch(63% 0.115 314.7)
-
Step 600
600
#8E5BA5
oklch(55.6% 0.124 314.6)
-
Step 700
700
#794A8D
oklch(49.1% 0.115 315.1)
-
Step 800
800 (this color)
#684379
oklch(44.8% 0.095 314.5)
-
Step 900
900
#50355D
oklch(37.8% 0.074 314.2)
-
Step 950
950
#2F1F36
oklch(27% 0.047 315.2)
#684379 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) | #394F7B | 0.079 |
| Deuteranopia (no green cones) | #435377 | 0.072 |
| Tritanopia (no blue cones) | #674B58 | 0.065 |
| Achromatopsia (no color) | #525252 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684379
#684379
oklch(44.8% 0.095 314.5)
- #3D6026
#3D6026
oklch(44.8% 0.095 134.6)
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 #684379, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.058
- Dusk #4E5481 ΔE 0.059
- Dusty Grape #545775 ΔE 0.065
- Light Eggplant #894585 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.070
- Brownish Purple #76424E ΔE 0.076
- Blueberry #464196 ΔE 0.078
Use #684379 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.