#683F70
Closest named color: Brownish Purple (#76424E). oklch(43.6% 0.092 320.9), rgb(104, 63, 112).
Aa
White text reads best on this color (8.28:1).
About this color
#683F70 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.092 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.066 away. White text reads best on it, at 8.28:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #683F70 |
| RGB | rgb(104, 63, 112) |
| HSL | hsl(290, 28%, 34%) |
| OKLCH | oklch(43.6% 0.092 320.9) |
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 #683F70 | 8.28:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #683F70 | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #683F70 text on white | 8.28:1 | AAA | Lc 88.4 | Fine for body text |
| #683F70 text on black | 2.53:1 | Fails | Lc -13.7 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E3D3E5
oklch(88.5% 0.03 322.4)
-
Step 300
300
#D1B6D6
oklch(80.9% 0.053 321)
-
Step 400
400
#B98FC2
oklch(70.7% 0.086 320.3)
-
Step 500
500
#A872B2
oklch(63.1% 0.111 321.1)
-
Step 600
600
#935A9E
oklch(55.7% 0.12 321)
-
Step 700
700
#7D4987
oklch(49.1% 0.112 321)
-
Step 800
800 (this color)
#683F70
oklch(43.6% 0.092 320.9)
-
Step 900
900
#533459
oklch(37.7% 0.073 320.9)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#683F70 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) | #384B72 | 0.082 |
| Deuteranopia (no green cones) | #43506F | 0.075 |
| Tritanopia (no blue cones) | #694552 | 0.058 |
| Achromatopsia (no color) | #4E4E4E | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683F70
#683F70
oklch(43.6% 0.092 320.9)
- #325E2B
#325E2B
oklch(43.7% 0.093 141)
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 #683F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.066
- Dusk #4E5481 ΔE 0.069
- Twilight #4E518B ΔE 0.069
- Dusty Grape #545775 ΔE 0.071
- Light Eggplant #894585 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.075
- Rebecca Purple #663399 ΔE 0.078
- Dark Mauve #874C62 ΔE 0.079
Use #683F70 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.